Amenorrhea is when a woman does not have her periods. There are two kinds of amenorrhea. The first kind is when you haven't had your period at all by the.
The term also applies to people who have not started their period by the age Sometimes a person will have no menstrual bleeding for more than three occurs in approximately 3–5 percentTrusted Source of adult women.
Amenorrhea happens when you miss your monthly menstrual periods. Amenorrhea is the absence of menstrual bleeding. It's normal not to.