The Biology of Fatherhood | Boston Review - 0 views
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pjt111 taylor on 04 Jun 14"Even expectant fathers experience morning sickness and other symptoms of pregnancy, a phenomenon known as couvade. Studies have found couvade in as little as 11 percent of subjects and as much as 97 percent. We don't know why these numbers vary so wildly, but there have been lots of theories to explain why dads get morning sickness. "