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Researchers Reveal an Evolutionary Basis for the Female Orgasm

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Though a common occurrence (hopefully), the female orgasm has been a biological mystery.

by Philip Perry

Few things are as magical as the female orgasm, whether you are experiencing it, inducing it, or just a casual observer. It is essentially pure art in motion. Yet, there are many things we don’t know about the phenomenon, scientifically speaking, such as, why it exists. Scientists have been pondering this for centuries.

Apart from vestigial organs, there are few structures in the body we don’t know the function of. It seems that the clitoris is there merely for pleasure. But would evolution invest so much in such a fanciful aim? Over the years, dozens of theories have been posited and hotly debated.

One prevailing theory is the “byproduct hypothesis.” The penis gives pleasure in order to drive males toward intercourse and ensure the perpetuation of the species. The sex organs are one of the last things developed in utero. Due to this, and the fact that women develop their pleasure organ from the same physical structure the penis is formed from, the clitoris is therefore a “byproduct” of the penis. You could imagine how some women feel about this theory.

Another is the mate-choice hypothesis. Here, it is thought that since a woman take longer to “get there,” it would pay for her to find a mate invested in her pleasure. A considerate lover would make a good father, the theory posits. Yet, the female orgasm happens rarely during penetrative intercourse, undercutting this theory.

It’s been thought that the act plays a role in conception. Several studies have shown that the woman having an orgasm during intercourse increases the likelihood of impregnation. But how and why is not well understood. Now, a team of scientists suggest that the female climax once played a role in reproduction, by triggering ovulation.  

Mary Magdalen in Ecstasy. By: Michelangelo Merisi da Caravaggio. 1606.

Researchers at Yale University posed this theory, in a study published in the Journal of Experimental Zoology Part B Molecular and Developmental Evolution. Gunter Wagner was its co-author. He is a professor of ecology and evolutionary biology at the university. According to him, previous research has been looking in the wrong place. It focused on how human biology itself changed over time.

Instead, these Yale researchers began by analyzing a large swath of species and the mechanisms present in females associated with reproduction. Wagner and colleagues also looked at the genitalia of placental mammals. They focused on two hormones released during penetrative intercourse across species, prolactin and oxytocin.

Prolactin is responsible for the processes surrounding breast-milk and breast feeding, while oxytocin is the “calm and cuddle” hormone. It helps us to bond and feel closer to others. Placental mammals in the wild need these two hormones to trigger ovulation. Without them, the process cannot occur.

One major insight researchers found is that in other species, mammalian ovulation is induced by contact with males, whereas in humans and other primates, it is an automatic process operating outside of sexual activity, called spontaneous ovulation. From here, they looked at those female mammals who induce ovulation through sexual contact with males. In those species, the clitoris is located inside the vagina.

Evolutionary biologists believe that spontaneous ovulation first occurred, in the common ancestor of primates and rodents, around 75 million years ago.  From here, Wagner and colleagues deduced that the female orgasm must have been an important part of reproduction in early humans. Before spontaneous ovulation, the human clitoris may have been placed inside the vagina. Stimulation of the clitoris during intercourse would trigger the release of prolactin and oxytocin, which would in turn, induce ovulation. This process became obsolete once spontaneous ovulation made it onto the scene.

“It is important to stress that it didn’t look like the human female orgasm looks like now,” said Mihaela Pavličev, Wagner’s co-author of this study. “Homologous traits in different species are often difficult to identify, as they can change substantially in the course of evolution.” She added, “We think the hormonal surge characterizes a trait that we know as female orgasm in humans. This insight enabled us to trace the evolution of the trait across species.”

While the hypothesis is compelling, it has drawbacks. The biggest is that it’s difficult, if not impossible, at least currently, to investigate what, if any, sexual pleasure other female animals derive during copulation. Other experts say, more data is needed from other organisms to shore up this theory. Still, it seems the most persuasive argument to date.

To learn more about the biological basis of the female orgasm, click here:

 

Complete Article HERE!

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Why queer history?

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By Jennifer Evans

Fifteen years ago, as a junior scholar, I was advised not to publish my first book on the persecution of gay men in Germany. And now, one of the major journals in the field has devoted an entire special issue to the theme of queering German history. We have come a long way in recognising the merits of the history of sexuality–and same-sex sexuality by extension–as integral to the study of family, community, citizenship, and human rights. LGBT History Month provides a moment of reflection about struggles past and present affecting the LGBT communities. But it also allows us a moment to think collectively, as a discipline, about the methods and practices of history-making that have opened space to new lines of inquiry, rendering new historical actors visible in the process. In asking the question “why queer history? ” not only do we think about how we got here and the merits of doing this kind of work, but we question, too, whether such recuperative approaches always lead to more expansive, inclusive history. In other words, to queer history is not just to add more people to the historical record, it is a methodological engagement with how knowledge over the past is generated in the first place.

The great social movements of the 20th century created conditions for new kinds of historical claims making as working and indigenous people, women, and people of colour demanded that their stories be told. Social history, and later the cultural turn, provided the tools for the job. Guided by a politics of inclusivity, this first wave of analyses by scholars like the extraordinary John Boswell searched out evidence of a historical gay and lesbian identity–even marriage–in the early modern and medieval period. Michel Foucault’s History of Sexuality vol. 3 would fundamentally alter the playing field, as he questioned the veracity of such quests, arguing that it said far more about our contemporary need for redress than about history itself. Modern homosexual identity–he instructed historians –first emerged in the 19th century through the rise of modern medical and legal mechanisms of regulation and control. The discipline was turned on its head. Instead of detail-rich studies of friendship, “marriage”, and kinship a whole new subfield emerged focused around the penal code, policing, and deviance. In the process of unmasking the mechanisms of power that circumscribed the life of the homosexual, lost from view was the history of pleasure, of love, and even of lust. Although providing a much-needed critique of homophobic institutions, the result was a disproportionate concentration on the coercive modernity of the contemporary age.

And yet, despite these pitfalls, the Foucauldian turn introduced much-needed interdisciplinarity into historical analyses of same-sex practices. Of those who took up the challenge of a critical history of sexuality that sidestepped the pitfalls of finding a fully formed pre-modern identity were medievalists and early modernists keen on questions of periodization and temporality, basically how people in past societies held distinct ways of knowing and being what it meant to live outside the norm. If Foucault had fundamentally destabilised how we understood normalcy and deviance, these scholars wanted to take the discussion further still, to interrogate how the experience of time itself reflected the presumptions and experiences of the heteronormative life course.

By queering history, we move beyond what Laura Doan has called out as the field’s genealogical mooring towards a methodology that might even be used to study non-sexuality topics because of the emphasis on self-reflexivity and critique of overly simplistic, often binary, analyses. A queered history questions claims to a singular, linear march of time and universal experience and points out the unconscious ways in which progressive narrative arcs often seep into our analyses. To queer the past is to view it skeptically, to pull apart its constitutive pieces and analyse them from a variety of perspectives, taking nothing for granted.

This special issue on “Queering German History” picks up here. Keenly attuned to how power manifests as a subject of study in its own right as well as something we reproduce despite our best intentions to right past wrongs, a queer methodology emphasises overlap, contingency, competing forces, and complexity. It asks us to linger over our own assumptions and interrogate the role they play in the past we seek out and recreate in our own writing. To queer history, then, is to think about how even our best efforts of historical restitution might inadvertently circumscribe what is, in fact, discernible in the past despite attempts to make visible alternative ways of being in the world in the present.

Such concerns have profound implications for how we write our histories going forward. Whereas it was once difficult to countenance that LGBT lives might take their rightful place in the canon, the question we still have to account for is whose lives remain obscure while others acquire much-needed attention? While we celebrate how far we’ve come–and it is a huge victory, to be sure–let us not forget there still remains much work to be done.

Complete Article HERE!

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Have you ever had ‘unjust sex’?

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Unthinkable: Examples include ‘women being pressured – not quite to the point of outright coercion – to have sex, or to have sex without contraception’, says philosopher Ann Cahill

“We need to remember that sexual assault is not the only kind of sexual interaction that is ethically problematic,” says author Ann Cahill.

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Uncertainty surrounding the boundaries of ethical sexual activity is not confined to boozed-up young adults or American presidents. Among academics there is discussion about what distinguishes rape and sexual assault from another category of “ethically problematic” sex.

Examples of “unjust sex” include “women being pressured – not quite to the point of outright coercion, but pressured uncomfortably nonetheless – to have sex, or to have sex without contraception,” explains Ann Cahill, author of a number of books on gender issues including Rethinking Rape.

Cahill, professor of philosophy at Elon University in North Carolina who is visiting Dublin this week, says she has tried to “figure out in more detail” what distinguishes sexual assault from “unjust sex”, drawing on the work of New Zealand psychologist Nicola Gavey.

Her analysis has led her to challenge the traditional feminist concern with “objectification”: treating women’s bodies as objects. Instead, she uses “derivatisation” – treating women as “stunted persons, persons whose identity and behaviour is primarily or entirely limited by the desires of another person” – as a standard by which to measure actions.

Cahill says “we need to remember that sexual assault is not the only kind of sexual interaction that is ethically problematic. Too often our approach to sexual ethics is limited by relying solely on the presence of consent, a reliance that obscures other crucial elements in sexual interactions that are ethically relevant”.

How do you distinguish “unjust sex” from rape?

“Briefly, I argue that examples of unjust sex and incidents of sexual assault share an indifference to women’s sexual preferences, desires and wellbeing, and that’s what explains how unjust sex perpetuates and upholds rape culture. In both cases, the specific sexuality of the woman is not participating robustly in the creation of the sexual interaction.

“What distinguishes the two examples, I then argue, is the specific role that the woman’s sexual subjectivity plays. In the case of examples within the grey area of unjust sex, women’s agency plays an important role: if a man repeats a request for or invitation to sex multiple times, for example, that very repetition indicates that the woman’s consent is important.

“However, I also argue that the role that the woman’s agency plays is a problematically stunted one that limits the kind of influence she can have on the quality of the interaction that ensues, and does so to such an extent that it renders the interaction unethical.

“In the case of sexual assault, the woman’s agency is either overcome – by force, or coercion, or other methods – or undone entirely, by use of drugs or alcohol.”

Where does “objectification” come into this, and does sexual attraction always entail some element of it?

“Feminists have long used the notion of objectification as an ethical lens, and specifically, as an ethically pejorative term. And certainly I do think that many of the social and political phenomena that feminists have criticised by using the term ‘objectification’ – dominant forms of pornography, oppressive medical practices, common representations of women’s bodies – are worthy of ethical critique.

“However, I worry about what the term ‘objectification’ implies, and when I dug into the philosophical literature that sought to really unpack the term, my worries only intensified. If objectification means, roughly, to be treated as a thing – a material entity – and if it is virtually always ethically problematic, then it seems we are committed to a metaphysics that places our materiality in opposition to our humanity or moral worth.

“But what if our materiality, our embodiment, is not contrary to our humanity or moral worth, but an essential part of it? If we approach embodiment in this way, then to be treated like a thing is not necessarily degrading or dehumanising. In fact, having one’s body be the object of a sexualising gaze and/or touch could be deeply affirming.

“Getting back to your question: does sexual attraction require objectification? The short answer is yes: sexual attraction requires treating another body as a material entity. But that does not mean that sexual attraction is necessarily ethically problematic.”

You say women “are encouraged, and in some cases required, to take on identities that are reducible to male heterosexual desires”. How do women avoid being so “derivatised” while in a relationship?

“This is a tricky matter, because human beings are intersubjective.

“Equal and just relationships among individuals require the recognition that they have a substantial contribution to make to those relationships, and that no relationship should position one of the individuals involved in it as the raison d’être of the relationship itself.”

Is the power dynamic always working in one direction, however? Women are capable of objectifying men. Should that concern us too?

“As I state above, objectification is not necessarily ethically problematic. And so to the extent that women have the capacity to treat men’s bodies as material entities, yes, they can objectify them.

“However, in our current political and social situation, women’s objectification of men’s bodies is far less common than men’s objectification of women’s bodies; even more importantly, it rarely amounts to derivatisation and does not serve to undermine men’s political, social, and economic equality.

“When I say that it does not amount to derivatisation, I mean that heterosexual men are less likely to view their bodies solely or persistently through the lens of how they appear to heterosexual women, and they rarely see male bodies represented in dominant media as defined primarily or solely through how those bodies appear to heterosexual women.

“While it’s not impossible for women to derivatise men – one can imagine, for example, a woman evaluating a man as a sexual partner solely on the basis of whether he matches her sexual preferences – structurally, those examples of derivatisation don’t add up to the kind of persistent inequality that still tracks along gender lines.

“For example, as political candidates, men don’t suffer for failing to meet the aesthetic ideals of heterosexual women, while women do suffer for failing to meet the aesthetic ideals of heterosexual men. Of course, they also suffer for meeting those ideals too well, because feminine beauty, while allegedly admirable in women, is also associated with shallowness and lack of intellect.

“Although I haven’t written about this before, however, it seems to me that hegemonic masculinity does have a derivatising effect on heterosexual men, to the extent that it requires them to derivatise women. In this sense, the subjectivity of heterosexual men is stunted to the extent that it is required to engage in the kinds of behaviour that demonstrates disrespect of women as moral equals – behaviour that is necessary for other heterosexual male subjects to be confirmed or affirmed in their own forms of masculinity.

“To the extent that heterosexual men can find their standing within homosocial relations threatened or troubled if they refuse to derivatise women, or at least pretend to, then they are also subject to a failure to recognise their own ontological distinctness.”

Complete Article HEREvi!

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What your gynecologist wishes you would do

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By Linda S. Mihalov, MD, FACOG

No matter a woman’s age or how comfortable she is with her gynecologist, she may still be unsure about a few things — like which symptoms are worth mentioning, how often to make an appointment and how to prepare for an exam.

Based on my 30 years of providing gynecologic care to women of all ages, I thought it would be helpful to provide a few tips about how to make the most of your care visits.

Keep track of your menstrual cycle

Dr. Linda Mihalov

Menstruation is a monthly recurrence in women’s lives from early adolescence until around the age of 51, when menopause occurs. Because of the routine nature of this biological process, it’s easy to become complacent about tracking your periods. Thankfully, there are numerous smartphone apps that help make tracking periods easy.

Keeping track of your period is important for numerous health-related reasons. A missed period is usually the first sign of pregnancy. Determining the due date of a pregnancy starts from the date of the last menstrual period. Most forms of birth control are not 100 percent effective, and an unplanned pregnancy is best recognized as soon as possible.

Conversely, women attempting to get pregnant can use period tracking to learn when they are most fertile, which may greatly increase the chances of conception.

In addition, a menstrual cycle change can indicate a gynecologic problem, such as polycystic ovarian syndrome, or even uterine cancer. It is also often the first obvious symptom of health issues that have no obvious connection to the reproductive organs. When a regular menstrual cycle becomes irregular, it may indicate a hormonal or thyroid issue, liver function problems, diabetes or a variety of other health conditions. Women also often miss periods — or experience menstrual changes — when adopting a new exercise routine, gaining or losing a lot of weight or experiencing stress.

One late, early or missed period is not necessarily reason for alarm. But if menstrual irregularity is accompanied by other symptoms, a woman should schedule an appointment with her gynecologic care provider.

Get the HPV vaccine

Human papillomavirus, or HPV, is a very common virus. According to the Centers for Disease Control and Prevention, nearly 80 million Americans — about one in four — are currently infected. About 14 million people, including teens, become infected with HPV each year. Most people who contract the virus will clear it from their systems without treatment, but some will go on to develop precancerous or even cancerous conditions from the infection.

The HPV vaccine is important because it protects against cancers caused by the infection. It can reduce the rate of cervical, vaginal and vulvar cancers in women; penile cancer in men; and anal cancer, cancer of the back of the throat (oropharynx), and genital warts in both women and men.

This vaccine has been thoroughly studied and is extremely safe. Also, scientific research has not shown that young people who receive the vaccine are more prone to be sexually active at an earlier age.

The HPV vaccine is recommended for preteen girls and boys at age 11 or 12 so they are protected before ever being exposed to the virus. HPV vaccine also produces a more robust immune response during the preteen years. If you or your teen have not gotten the vaccine yet, talk with your care provider about getting it as soon as possible.

The CDC now recommends that 11- to 12-year-old girls and boys receive two doses of HPV vaccine — rather than the previously recommended three doses — to protect against cancers caused by HPV. The second dose should be given six to 12 months after the first dose.

Teen girls and boys who did not start or finish the HPV vaccine series when they were younger, should get it now. People who received some doses in the past should only get doses that they missed. They do not need to start the series over again. Anyone older than 14 who is starting the HPV vaccine series needs the full three-dose regimen.

Young women can get the HPV vaccine through age 26, and young men can get vaccinated through age 21. Also, women who have been vaccinated should still have cervical cancer screenings (pap smears) according to the recommended schedule.

Do not put off having children

Fertility in women starts to decrease at age 32 and that decline becomes more rapid after age 37. Women become less fertile as they age because they begin life with a fixed number of eggs in their ovaries. This number decreases as they grow older. Eggs also are not as easily fertilized in older women as they are in younger women. In addition, problems that can affect fertility — such as endometriosis and uterine fibroids — become more common with increasing age.

Older women are more likely to have preexisting health problems that may affect their or their baby’s health during pregnancy. For example, high blood pressure and diabetes are more common in older women. If you are older than 35, you also are more likely to develop high blood pressure and related disorders for the first time during pregnancy. Miscarriages are more common in older pregnant women. Losing a pregnancy can be very distressing at any age, but perhaps even more so if it has been challenging to conceive.

So, women who are considering parenthood should not put off pursuing pregnancy for too long or it may become quite challenging.

See your gynecologist for an annual visit

For women to maintain good reproductive and sexual health, the American College of Obstetricians and Gynecologists recommends that they visit a gynecologist for an exam about once a year. Generally, women should have their first pap test at age 21, but there may be reasons to see a gynecologic care provider earlier than that if there is a need for birth control or periods are troublesome, for instance. Although pap tests are no longer recommended every year, women should still see their provider annually for a gynecologic health assessment. This may or may not involve a pelvic exam.

Other reasons to visit a gynecologist include seeking treatment for irregular periods, sexually transmitted diseases, vaginal infections and menopause. Women who are sexually active or considering it can also visit a gynecologist to learn more about contraceptives.

During each visit, the gynecologist usually asks about a woman’s sexual history and menstrual cycle. The gynecologist may also examine the woman’s breasts and genitals. Understandably, a visit like this can cause discomfort among some women. However, periodic gynecological exams are very important to sexual and reproductive health and should not be skipped. The patient’s anxiety can be significantly decreased if she knows what to expect from the visit. Prepared with the knowledge of what actually occurs during an annual exam, women often find it can be a straightforward, rewarding experience.

There are several things women should do to prepare for a gynecological exam, including:

  • Try to schedule your appointment between menstrual periods
  • Do not have intercourse for at least 24 hours before the exam
  • Prior to the appointment, prepare a list of questions and concerns for your gynecologist
  • Since the gynecologist will ask about your menstrual cycle, it will be helpful to know the date that your last period started and how long your periods usually last

The pelvic exam includes evaluation of the vulva, vagina, cervix and the internal organs including the uterus, fallopian tubes and ovaries. Appearance and function of the bowel and bladder will also be assessed.

The gynecologic provider will determine whether a pap test is indicated, and order other tests as necessary, including tests for sexually transmitted infections, mammograms and screening blood work or bone density studies. Even a woman who has previously undergone a hysterectomy and, as a result, no longer needs a pap test can still benefit from visiting her gynecologist.

Primary care providers, including family practitioners and nurse practitioners, internists and pediatricians can also provide gynecological care.

Menopause

Menopause can be a challenging time. Changes in your body can cause hot flashes, weight gain, difficulty sleeping and even memory loss. As you enter menopause, you may have many questions you want to discuss with your gynecologist. It is important that you trust your gynecologist so you can confide in them and ask them uncomfortable questions. The more open you are, the better they can guide you toward the right treatment.

Complete Article HERE!

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Nearly Half of U.S. Men Infected With HPV, Study Finds

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Although a vaccine is available, too few are getting it when young

 

Many American men are infected with the cancer-causing human papillomavirus (HPV), but unlike women, men are more likely to stay infected throughout their lives, a new study finds.

About 45 percent of U.S. men are infected with the sexually transmitted disease, as are 45 percent of women. Among women, the prevalence of HPV infection drops to about 22 percent as they age, but it remains high among men, said lead researcher Dr. Jasmine Han. She is in the division ofgynecologic oncology at Womack Army Medical Center, in Fort Bragg, N.C.

“We don’t know why it stays high in men while it drops in women,” she said. “Among men it’s higher than expected.”

Han speculates that the virus may remain in men because it lives in the penile glands, while in women, the virus is near the surface of the vagina and is more easily shed.

Although a vaccine against HPV has been available since 2009, coverage remains low. Only about 11 percent of men and 33 percent of women have been vaccinated, Han said.

HPV is the most common sexually transmitted disease among men and women in the United States, according to background information in the study. About 79 million Americans are infected with some type of HPV, with approximately half of new infections occurring before age 24, the study authors said.

Most people infected with HPV don’t know they have it and don’t develop health problems from it, according to the U.S. Centers for Disease Control and Prevention.

But HPV is not a benign infection. More than 9,000 cases of HPV-related cancers occur in men each year. HPV is the cause of 63 percent of penile, 91 percent of anal, and 72 percent of oral and throat cancers, the researchers noted.

In addition, HPV among men is an indirect cause of cervical cancer in women. The virus is also responsible for 90 percent of genital warts. HPV can also lead to tumors in the respiratory tract, called respiratory papillomatosis.

Han believes that the HPV vaccine should be mandatory for both boys and girls.

The CDC recommends that all boys and girls aged 11 to 12 get two doses of the HPV vaccine.

“We want our children to be vaccinated with the HPV vaccine because it is a cancer vaccine,” Han said. “By getting vaccinated, you can prevent your sons and daughters from getting these HPV-associated cancers in later years,” she explained.

Fred Wyand is a spokesman for the American Sexual Health Association/National Cervical Cancer Coalition. “This study underscores that HPV is common in men, and that’s true throughout most of their lives,” he said.

“We’re doing a better job of getting young males vaccinated against HPV, but uptake is still way below the levels we’d like to see,” Wyand added.

To get parents to accept the vaccine for their children, Wyand suggested that doctors need to give a “clear, strong recommendation for vaccination and treat HPV immunization as a normal, routine part of adolescent vaccinations.”

To gauge the prevalence of HPV infection among men, Han and colleagues used data on nearly 1,900 men who took part in the 2013-2014 U.S. National Health and Nutrition Examination Survey. Samples from penile swabs were tested for HPV.

Overall, a little more than 45 percent of the men were infected with the cancer-causing virus. Among vaccine-eligible men, however, only about 11 percent had been vaccinated.

The lowest prevalence of the virus among men was about 29 percent for those aged 18 to 22, which increased to nearly 47 percent in men aged 23 to 27 and stayed high and constant as men aged, Han said.

It’s possible that the lower rate among younger men may have resulted from young men being vaccinated, the researchers said.

The report was published online Jan. 19 in the journal JAMA Oncology.

Complete Article HERE!

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