Results 11 to 20 of about 161,421 (174)

Sexual signalling in female crested macaques and the evolution of primate fertility signals. [PDF]

open access: yes, 2012
BACKGROUND: Female signals of fertility have evolved in diverse taxa. Among the most interesting study systems are those of multimale multifemale group-living primates, where females signal fertility to males through multiple signals, and in which there ...
Agil, M   +5 more
core   +2 more sources

I only have eyes for you: Ovulation redirects attention (but not memory) to attractive men [PDF]

open access: yes, 2010
A number of studies have found a disjunction between women’s attention to, and memory for, handsome men. Although women pay initial attention to handsome men, they do not remember those men later.
Ackerman, Joshua Maxwell   +6 more
core   +1 more source

Possible male infanticide in wild orangutans and a re-evaluation of infanticide risk [PDF]

open access: yes, 2019
Infanticide as a male reproductive tactic is widespread across mammals, and is particularly prevalent in catarrhine primates. While it has never been observed in wild orangutans, infanticide by non-sire males has been predicted to occur due to their ...
Knott, Cheryl D.   +6 more
core   +1 more source

Sequential use of letrozole and gonadotrophin in women with poor ovarian reserve: a randomized controlled trial [PDF]

open access: yes, 2011
Sequential use of letrozole and human menopausal gonadotrophin (HMG) was compared with HMG only in poor ovarian responders undergoing IVF. Patients (n=53) with less than four oocytes retrieved in previous IVF cycles or less than five antral follicles ...
Chan, CCW   +4 more
core   +1 more source

Human female sexual cycles and the concealment of ovulation problem

open access: yesJournal of Social and Biological Systems, 1983
Recent applications of the principles of evolutionary biology to the problem of the origins of Homo sapiens have resulted in increased interest in the evolution of human sexual behavior. Sociobiologists have generally rejected the social bonding explanations of human sexual behavior widely accepted a few years ago without presenting a generally ...
Department of Anthropology, University of Wisconsin—Milwaukee, Milwaukee, WI 53201, USA ( host institution )   +2 more
openaire   +2 more sources

Men are not aware of and do not respond to their female partner's fertility status: Evidence from a dyadic diary study of 384 couples.

open access: yesHormones and Behavior, 2022
Understanding how human mating psychology is affected by changes in female cyclic fertility is informative for comprehending the evolution of human reproductive behavior.
L. Schleifenbaum   +6 more
semanticscholar   +1 more source

Partner choice, relationship satisfaction, and oral contraception: the congruency hypothesis [PDF]

open access: yes, 2014
Hormonal fluctuation across the menstrual cycle explains temporal variation in women’s judgment of the attractiveness of members of the opposite sex.
Burriss, Robert P.   +8 more
core   +2 more sources

Increased copulation duration before ejaculate transfer is associated with larger spermatophores, and male genital titillators, across bushcricket taxa [PDF]

open access: yes, 2011
Copulation duration varies considerably across species, but few comparative studies have examined factors that might underlie such variation. We examined the relationship between copulation duration (prior to spermatophore transfer), the complexity of ...
Alcock   +70 more
core   +2 more sources

Endocrinology and physiology of pseudocyesis [PDF]

open access: yes, 2013
This literature review on pseudocyesis or false pregnancy aims to find epidemiological, psychiatric/psychologic, gynecological and endocrine traits associated with this condition in order to propose neuroendocrine/endocrine mechanisms leading to the ...
Cano, Antonio   +3 more
core   +1 more source

Women with epilepsy: Evidence‐based counseling across the lifespan

open access: yesEpilepsia, EarlyView.
Abstract Women with epilepsy (WWE) encounter distinct and evolving challenges across the lifespan that require clinical management extending beyond seizure control alone. Although awareness of sex‐specific aspects of epilepsy has increased, important gaps remain in their integration into routine care.
Barbara Tettenborn   +7 more
wiley   +1 more source

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