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SUMMARY:Individual variation in female orgasmic capacity: pre-natal androg
 en\, sociosexuality and the menstrual cycle - Lara Eschler
DTSTART:20110607T121000Z
DTEND:20110607T130000Z
UID:TALK30400@talks.cam.ac.uk
CONTACT:Dr Anke Plagnol
DESCRIPTION:The causes and consequences of individual variation in female 
 orgasmic capacity\, and of sex differences in orgasmic ease\, and the ulti
 mate evolutionary reason for these variations/differences remain poorly un
 derstood. The underlying mechanisms (e.g. hormonal factors\, conception ri
 sk factors or anatomical factors) implicated in the variation in female or
 gasmic ease are not known. It is also as yet unclear whether ease of orgas
 m could be linked to differential sexual behavioural outcomes and whether 
 these vary not only between women but also in relation to fertility.  Pinp
 ointing the underlying mechanisms responsible for this variability (such a
 s anatomical differences in genitalia and/or hormonal levels) and the resu
 lting orgasmic response\, would shed light on the female orgasm’s evolut
 ionary raison d'être. The first study aimed to better characterize normal
  variation in female orgasmic response in relationship to anatomy of the e
 xternal genitalia and to a physical correlate of prenatal androgen exposur
 e. The results suggested that individual differences in sexual anatomy mig
 ht be implicated in differences in coital orgasmic ease. They also suggest
 ed that hormones acting pre-natally (measured by a physical correlate of p
 re-natal androgen exposure) may influence clitoral size among healthy wome
 n and hence\, perhaps\, coital orgasmic ease. In the second study\, result
 s showed that women who reported being able to orgasm from coitus alone re
 ported a higher lifetime number of sexual partners\, a higher number of on
 e off sexual encounters and a higher number of extra-pair partners after c
 ontrolling for age. These women also had higher scores on the sociosexuali
 ty inventory (SOI)\, i.e. had a more permissive sexual attitude. In the th
 ird study results indicated that the occurrence of coitus\, and the desire
  for coitus in heterosexual couples is higher when conception risk is high
 est. Also\, there was a non-significant positive relationship between the 
 occurrence of the female orgasm from coitus and conception risk. Findings 
 are discussed within an evolutionary psychology framework. 
LOCATION:Entertaining Room\, Darwin College
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