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- Concealed_ovulation abstract "Concealed ovulation or hidden estrus in a species is the lack of any perceptible change in an adult female (for instance, a change in appearance or scent) when she is \"in heat\" and near ovulation. Some examples of such changes are swelling and redness of the genitalia in baboons and bonobos Pan paniscus, and pheromone release in the feline family. In contrast, the females of humans and a few other species have few external signs of fecundity, making it difficult for a mate to consciously deduce, by means of external signs only, whether or not a female is near ovulation.In humans, adult women's fertility peaks for a few days during each monthly cycle. Human females actually experience a wide range of menstrual cycle lengths and frequencies, so the notion of a monthly cycle is better considered an average or shorthand; therefore, the frequency and length of fertility (the time when a woman can become pregnant) is highly variable between women and for each woman over the course of her lifespan. Humans are considered to have \"concealed ovulation\" because there is no outward physiological sign, either to a woman herself or to others, that ovulation, or biological fertility, is occurring. Knowledge of the fertility cycle, learned through experience or from educational sources, can allow a women to estimate her own level of fertility at a given time (fertility awareness). Whether other humans, in particular, potential reproductive partners (assumed to be men), can detect fertility in women through behavioral or invisible biological cues is highly debated. Scientists and laypersons are interested in this question because it has implications for human social behavior, and could theoretically offer biological explanations for some human sexual behavior. However, the science here is weak, due to a relatively small number of studies. Several small studies have found that fertile women (compared to women in infertile portions of the menstrual cycle, or using hormonal contraception) appear more attractive to men. It has also been suggested that a woman's voice may become more attractive to men during this time. Two small studies of monogamous human couples found that women initiated sex significantly more frequently when fertile, but male-initiated sex occurred at a constant rate, without regard to the woman's phase of menstrual cycle. It may be that a woman's awareness of men's courtship signals increases during her highly fertile phase due to an enhanced olfactory awareness of chemicals specifically found in men's body odor.Analyses of data provided by the post-1998 U.S. Demographic and Health Surveys found no variation in the occurrence of coitus in the menstrual phases (except during menstruation itself). This is contrary to other studies, which have found female sexual desire and extra-pair copulations (\"EPC's\") to increase during the midfollicular to ovulatory phases (that is, the highly fertile phase). These findings of differences in woman-initiated versus man-initiated sex are likely caused by the woman’s subconscious awareness of her ovulation cycle (because of hormone changes causing her to feel increased sexual desire), contrasting with the man’s inability to detect ovulation because of its being “hidden”.In 2008, researchers announced the discovery in human semen of hormones usually found in ovulating women. They theorized that follicle stimulating hormone, luteinising hormone, and estradiol may encourage ovulation in women exposed to semen. These hormones are not found in the semen of chimpanzees, suggesting this phenomenon may be a human male counter-strategy to concealed ovulation in human females. Other researchers are skeptical that the low levels of hormones found in semen could have any effect on ovulation. One group of authors has theorized that concealed ovulation and menstruation were key factors in the development of symbolic culture in early human society.".
- Concealed_ovulation wikiPageExternalLink haselton_et_al_2007.pdf.
- Concealed_ovulation wikiPageExternalLink is%20ovulation%20concealed.pdf.
- Concealed_ovulation wikiPageID "764891".
- Concealed_ovulation wikiPageLength "24493".
- Concealed_ovulation wikiPageOutDegree "50".
- Concealed_ovulation wikiPageRevisionID "707535671".
- Concealed_ovulation wikiPageWikiLink Baboon.
- Concealed_ovulation wikiPageWikiLink Bipedalism.
- Concealed_ovulation wikiPageWikiLink Bonobo.
- Concealed_ovulation wikiPageWikiLink Category:Evolutionary_psychology.
- Concealed_ovulation wikiPageWikiLink Category:Menstrual_cycle.
- Concealed_ovulation wikiPageWikiLink Category:Sexual_selection.
- Concealed_ovulation wikiPageWikiLink Chimpanzee.
- Concealed_ovulation wikiPageWikiLink Coolidge_effect.
- Concealed_ovulation wikiPageWikiLink Estradiol.
- Concealed_ovulation wikiPageWikiLink Estrous_cycle.
- Concealed_ovulation wikiPageWikiLink Evolutionary_psychology.
- Concealed_ovulation wikiPageWikiLink Extended_female_sexuality.
- Concealed_ovulation wikiPageWikiLink Fecundity.
- Concealed_ovulation wikiPageWikiLink Fertility_awareness.
- Concealed_ovulation wikiPageWikiLink Fitness_(biology).
- Concealed_ovulation wikiPageWikiLink Follicle-stimulating_hormone.
- Concealed_ovulation wikiPageWikiLink Gorilla.
- Concealed_ovulation wikiPageWikiLink Gray_langur.
- Concealed_ovulation wikiPageWikiLink Group_selection.
- Concealed_ovulation wikiPageWikiLink Homininae.
- Concealed_ovulation wikiPageWikiLink Human.
- Concealed_ovulation wikiPageWikiLink Infanticide.
- Concealed_ovulation wikiPageWikiLink Kin_selection.
- Concealed_ovulation wikiPageWikiLink Luteinizing_hormone.
- Concealed_ovulation wikiPageWikiLink Mate_choice.
- Concealed_ovulation wikiPageWikiLink Menstrual_cycle.
- Concealed_ovulation wikiPageWikiLink Mittelschmerz.
- Concealed_ovulation wikiPageWikiLink Monogamy.
- Concealed_ovulation wikiPageWikiLink Ovulation.
- Concealed_ovulation wikiPageWikiLink Pair_bond.
- Concealed_ovulation wikiPageWikiLink Partible_paternity.
- Concealed_ovulation wikiPageWikiLink Paternal_care.
- Concealed_ovulation wikiPageWikiLink Pheromone.
- Concealed_ovulation wikiPageWikiLink Reciprocal_altruism.
- Concealed_ovulation wikiPageWikiLink Savanna.
- Concealed_ovulation wikiPageWikiLink Sexual_swelling.
- Concealed_ovulation wikiPageWikiLink Symbolic_culture.
- Concealed_ovulation wikiPageWikiLink The_Third_Chimpanzee.
- Concealed_ovulation wikiPageWikiLink Thermoregulation.
- Concealed_ovulation wikiPageWikiLink Why_Is_Sex_Fun%3F.
- Concealed_ovulation wikiPageWikiLinkText "Concealed ovulation".
- Concealed_ovulation wikiPageWikiLinkText "conceal fertility".
- Concealed_ovulation wikiPageWikiLinkText "conceal ovulation".
- Concealed_ovulation wikiPageWikiLinkText "concealed ovulation".
- Concealed_ovulation wikiPageWikiLinkText "hidden estrus".
- Concealed_ovulation wikiPageUsesTemplate Template:Cite_journal.
- Concealed_ovulation wikiPageUsesTemplate Template:Dead_link.
- Concealed_ovulation wikiPageUsesTemplate Template:Lead_too_long.
- Concealed_ovulation wikiPageUsesTemplate Template:Reflist.
- Concealed_ovulation wikiPageUsesTemplate Template:What%3F.
- Concealed_ovulation subject Category:Evolutionary_psychology.
- Concealed_ovulation subject Category:Menstrual_cycle.
- Concealed_ovulation subject Category:Sexual_selection.
- Concealed_ovulation hypernym Lack.
- Concealed_ovulation type Disease.
- Concealed_ovulation type Process.
- Concealed_ovulation type Redirect.
- Concealed_ovulation type Subfield.
- Concealed_ovulation comment "Concealed ovulation or hidden estrus in a species is the lack of any perceptible change in an adult female (for instance, a change in appearance or scent) when she is \"in heat\" and near ovulation. Some examples of such changes are swelling and redness of the genitalia in baboons and bonobos Pan paniscus, and pheromone release in the feline family.".
- Concealed_ovulation label "Concealed ovulation".
- Concealed_ovulation sameAs Q5158283.
- Concealed_ovulation sameAs Ovulación_oculta.
- Concealed_ovulation sameAs m.039k6t.
- Concealed_ovulation sameAs Q5158283.
- Concealed_ovulation wasDerivedFrom Concealed_ovulation?oldid=707535671.
- Concealed_ovulation isPrimaryTopicOf Concealed_ovulation.