Wenda trevathan biography death

Sex ratio. Evolutionary perspectives on cesarean section. The scenes show an infant emerging facing forward unusual in human birth with its arms up virtually unknown in human birth. Thus, it is likely that the birth scene, and perhaps other Mimbres pottery designs, were painted by men. Birth mechanics in early hominins are often reconstructed based on cephalopelvic proportions, wit Caesarean section.

Ethnographically, men rarely see human births. Biologically, that means we are more like our ancestors. In both cases, it should be of great practical help to people working with skeletal materials.

Wenda trevathan biography death: Life history theory provides

Keywords: evolutionary tradeoffs; life history traits; reproduction. I am appreciative of helpful feedback and responses to inquiries from Virginia Vitzthum, Cale Elective caesarean sections from an evolutionary perspective. Practical Computing. In the mood for love or vice versa? Zohreh Behjati. The International Encyclopedia of Human Sexuality , Remember me on this computer.

Bipedalism and human birth: The obstetrical dilemma revisited. Anatomical record Hoboken, N. Combined with neonatal head dimensions, we reconstruct birth in A. BJOG: an international journal of obstetrics and gynaecology 11 , , This obstetrical dilemma was solved by delivery of the fetus at a much earlier stage of development. Min profil Mitt bibliotek Statistik Meddelande.

Menstrual synchrony.

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Evolution, medicine, and public health , Jan 10, The need for c-section has probably increased for many reasons, including rising rates of obesity, diabetes and maternal age, but rates more than twice the WHO recommendation probably reflect more than medical necessity. Log in with Facebook Log in with Google. Infant Behavior and Development 31 1 , , We argue that an evolutionary perspective on human childbirth suggests that many of these 'unnecessary' cesarean sections could be avoided if we considered the emotionally supportive social context in which childbirth has taken place for hundreds of thousands or perhaps even millions of years of human evolution.

Silvia Iacobelli. Her research interests are in the origin of modern humans and the evolution of modern human childbirth. Related Authors.