Irregular periods are often blamed on hormones, but doctors say changes in menstrual cycles can sometimes point to thyroid ...

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 ...