How does ovulation affect a woman’s desire for sex? This is a controversial question, and it has stimulated debate for at least half a century. When I taught a course in human sexual behavior, way ...

After ovulation, the egg survives for a very short time, yet this brief window plays a significant role in fertility.

A woman’s fertility window refers to the short span each cycle when pregnancy is biologically possible, but it’s often misunderstood as a fixed date rather than a dynamic process. Hormones, age, ...