Loss of oestrus, concealed ovulation and paternity confusion in free-ranging Hanuman langurs. [PDF]
Proc Biol Sci, 2001 Ovarian cycles in catarrhine primates are uniquely characterized by prolonged periods of sexual activity in which the timings of ovulation and copulation do not necessarily correspond. According to current hypotheses of primate social evolution, extended sexuality in multi-male groups might represent part of a female strategy to confuse paternity in ...
Heistermann M +5 more
europepmc +8 more sources
Global Ecology and Conservation, 2021 Growing evidence suggested that males suffer energetic costs from sexual behavior, males should discriminate among receptive females due to their reproductive quality, and deservedly, they would prefer females during the fertile phase.
Qi-Xin Zhang +3 more
doaj +2 more sources
Concealed fertility and extended female sexuality in a non-human primate (Macaca assamensis). [PDF]
PLoS ONE, 2011 In numerous primates living in mixed-sex groups, females display probabilistic cues of fertility to simultaneously concentrate paternity to dominant males while diluting it amongst others as a means to reduce the risk of infanticide and to increase male ...
Ines Fürtbauer +3 more
doaj +2 more sources
Concealed Ovulation May Have Driven Breast Development from Puberty and Body Hair Loss in Humans
Scholars International Journal of Anatomy and Physiology, 2020 There are many theories about concealed ovulation, breast development from puberty, and body hair loss in human evolution. We propose a novel theory on the association between concealed ovulation and breast development and body hair loss in human ...
Sooil Kim, Young Ho Lee
openaire +2 more sources
Middle East Fertility Society Journal, 2015 Objectives: To compare GnRH agonist to hCG for triggering ovulation in polycystic ovarian syndrome treated with clomiphene citrate. Study design: Prospective randomized study.
Amr Hassaan Farag +2 more
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Ovulatory cycle shifts in human mating psychology - Implications for the evolution of concealed ovulation and female oestrus [PDF]
, 2022 Schleifenbaum Lara
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Female behavioral strategies during consortship in Tibetan macaques (Macaca thibetana)
Ecology and Evolution, 2021 Consortship has been defined as a temporary association between an adult male and an estrous/receptive female. It has been considered as male mating strategies to improve male mating success and potential reproductive success.
Qi‐Xin Zhang +3 more
doaj +1 more source
Y chromosomal variation tracks the evolution of mating systems in chimpanzee and bonobo. [PDF]
PLoS ONE, 2010 The male-specific regions of the Y chromosome (MSY) of the human and the chimpanzee (Pan troglodytes) are fully sequenced. The most striking difference is the dramatic rearrangement of large parts of their respective MSYs.
Felix Schaller +6 more
doaj +1 more source
Changes in women’s facial skin color over the ovulatory cycle are not detectable by the human visual system [PDF]
, 2015 Human ovulation is not advertised, as it is in several primate species, by conspicuous sexual swellings. However, there is increasing evidence that the attractiveness of women’s body odor, voice, and facial appearance peak during the fertile phase of ...
Burriss, Robert P. +8 more
core +17 more sources
Juggling Priorities: Female Mating Tactics in P hayre's Leaf Monkeys [PDF]
, 2012 Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/91119/1/ajp22004 ...
Beehner, Jacinta C. +3 more
core +1 more source