The calendar-tracking method, or rhythm method, is one way people monitor and record their periods, but it might not be the most accurate. That's according to a new study released Monday by the ...

A recent Center for Disease Control and Prevention study of teen sex habits and attitudes revealed many thought-provoking trends and interesting statistics. The finding that seems to be getting the ...

Perhaps you’re old enough to remember the “calendar rhythm method" of birth control. Before the Pill became available in the late 1960s, the “rhythm method” was quite popular, especially among those ...