2011
DOI: 10.1002/ajpa.21646
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Brief communication: Fecal androgen excretion and fetal sex effects during gestation in wild assamese macaques (Macaca assamensis)

Abstract: In placental mammals, pregnancy usually is associated with an increase in maternal androgens, which may significantly impact fetal growth and differentiation, and affect postnatal development and behavior. Owing to their slow life histories and challenging social conditions, determination of maternal androgens and potential interference effects of fetal androgen production are of particular interest in wild primates. However, androgen production has been rarely investigated in wild female primates, and studies… Show more

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Cited by 6 publications
(11 citation statements)
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“…In rhesus macaques (Macaca mulatta) the fetal testes secrete androgens throughout gestation, peaking at days 40-75 (trimester 1-2) then declining, with another increase around day 140 (trimester 3) (Wallen, 2005). In line with this, females carrying male fetuses have higher androgen levels in some species, including humans (Homo sapiens, Meulenberg and Hofman, 1991), elephants (Elephas maximus, Duer et al, 2002), Assamese macaques (Fürtbauer et al, 2012), and yellow baboons (Altmann et al, 2004), although not in others, such as red-fronted lemurs (Eulemur fulvus, Ostner et al, 2003).…”
Section: Introductionmentioning
confidence: 56%
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“…In rhesus macaques (Macaca mulatta) the fetal testes secrete androgens throughout gestation, peaking at days 40-75 (trimester 1-2) then declining, with another increase around day 140 (trimester 3) (Wallen, 2005). In line with this, females carrying male fetuses have higher androgen levels in some species, including humans (Homo sapiens, Meulenberg and Hofman, 1991), elephants (Elephas maximus, Duer et al, 2002), Assamese macaques (Fürtbauer et al, 2012), and yellow baboons (Altmann et al, 2004), although not in others, such as red-fronted lemurs (Eulemur fulvus, Ostner et al, 2003).…”
Section: Introductionmentioning
confidence: 56%
“…This contrasts with patterns in other cercopithecines, where the peak in androgens occurs earlier. For example, fecal androgens rise in week 2 of gestation, peak at week 4, and decline to pre-conception levels in weeks 7-9 in Assamese macaques (Fürtbauer et al, 2012). In baboons, fecal testosterone rise significantly on day 21 of pregnancy, peak around week 5-6, drop back to early pregnancy levels for weeks 8-10, then rise again to a plateau lower than the initial peak (Gesquiere et al, 2014).…”
Section: Fecal Androgens and Female Reproductive Statusmentioning
confidence: 99%
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