For women trying not to get pregnant, life should be easy. Conception can only happen 12-24 hours after ovulation. Sure, sperm may last as many as 3-4 days in the genital tract, hanging around for the ...

The Natural Cycles app aims to prevent pregnancy by evaluating a woman’s daily temperature and menstruation data. The app — which uses this information to calculate which days a woman is at a high or ...

Twelve years ago his daughter came to him with a fertility chart, asked him what all the graphs and numbers meant. After puzzling over it for hours, Los Angeles Lawyer Maurice Gordon decided that the ...

Rise and Shine Early birds may have an edge over night owls at work and school -- not just in the morning, when their bodies' internal clocks help them get on task earlier, but through midday. That's ...