It's one of those days. You are on a period –and it is heavy and painful. You are not feeling one hundred percent and you don't want to go to work. But you have an important meeting and cannot ...

Add Yahoo as a preferred source to see more of our stories on Google. Tracking your period is one way of staying on top of your health. peakSTOCK/iStock / Getty Images Plus via Getty Images “When was ...

A variety of hormones control the menstrual cycle. This network of hormones impacts thyroid function, although the relationship between menstruation, reproductive function, and the thyroid is complex.

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.

Missed periods can be caused by stress, rapid weight loss, breastfeeding, or hormonal changes. Conditions like PCOS, thyroid problems, or primary ovarian insufficiency can also affect your period. A ...

For anyone who menstruates, this is a routine question during any visit to your doctor. Health care providers generally ask this to determine whether their patient is concerned about a menstrual ...

"When was your last period?" For anyone who menstruates, this is a routine question during any visit to your doctor. Health care providers generally ask this to determine whether their patient is ...