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Depending on the time in the month the sweat was collected (before, during, or after ovulation), there was an association with the recipient woman's menstrual cycle to speed up or slow down. The 1971 study proposed two types of pheromones involved: "One, produced prior to ovulation, shortens the ovarian cycle; and the second, produced just at ...
Women gave samples of when they were fertile and less fertile. The men in the study would smell and choose which sample between the two they were more attracted to. Women give off a more favorable smell the more fertile they are; in other words, men notice this and choose the more fertile sample rather than the less fertile sample. [49]
[17] [page needed] Thus, the ovulatory shift hypothesis proposes that women possess a dual sexuality, where during the fertile window, a woman should prioritize attracting and choosing a mate with the best genetic quality, or “good genes”, since this is the only time she can become pregnant and pass on heritable genetic qualities to her ...
During the menstrual cycle, the ovaries release an ovum, which transits through the fallopian tube into the uterus. If an egg cell meets with sperm on its way to the uterus, a single sperm cell can enter and merge with it, creating a zygote .
Concealed ovulation or hidden estrus is the lack of any perceptible change (e.g., a change in appearance or scent) when an adult female is fertile and near ovulation. Some examples of perceptible changes are swelling and redness of the vulva in baboons and bonobos , and pheromone release in the feline family.
Approximately one in fourteen untreated Chlamydia infections will result in salpingitis. [5]Over one million cases of acute salpingitis are reported every year in the US, but the number of incidents is probably larger, due to incomplete and untimely reporting methods and that many cases are reported first when the illness has gone so far that it has developed chronic complications.
A characteristic "fishy" odor on wet mount. This test, called the whiff test, is performed by adding a small amount of potassium hydroxide to a microscope slide containing the vaginal discharge. A characteristic fishy odor is considered a positive whiff test and is suggestive of bacterial vaginosis. [41]
Vaginal flatulence or vaginal wind is an emission or expulsion of air from the vagina. It may occur during or after sexual intercourse, or during other sexual acts, stretching or exercise. The sound is comparable to anal flatulence, but vaginal flatulence does not involve waste gases, and thus does not have a specific odor associated with it. Slang terms for vaginal flatulence include queef ...