Add Yahoo as a preferred source to see more of our stories on Google. You can’t rely on a missed period, but there are other ways to tell you might be pregnant. If you have regular menstrual cycles, ...

Your menstrual cycle is the time between the first day of your last period and the first day of your next period. Most menstrual cycles are 24 to 38 days. When you have a cycle that’s less than 24 ...

For most women, menstruation is a friend who arrives every month, but sometimes it may not come on time. Periods are considered irregular if they come much earlier or later than the expected day.

It’s a condition that can affect up to 25% of all women: Irregular menstrual cycles. Doctors are raising awareness about a study from the American Heart Association, which says that women affected by ...