Seasonality of Premature Birth
Kate Yandell | Jul 9, 2013
Babies conceived in May have an elevated risk of being born early.
Widening the Fertile Window
Robert Martin | Jul 1, 2013
Women may be able to store viable sperm for longer than a week, thus contributing to apparent variability in pregnancy lengths.
Book Excerpt from How We Do It: The Evolution and Future of Human Reproduction
Robert Martin | Jun 30, 2013
In Chapter 3, “From Mating to Conception,” author Robert Martin explores the question of why humans and other primates frequently engage in sexual intercourse when females are not fertile.