The first menstruation in a person's life.
Small amounts of bleeding between cycles.
Physical and/or emotional symptoms that occur before menstruation.
The release of an egg from the ovary, usually mid-cycle.
Period that starts on the first day of menstruation and ends with ovulation; the uterus and ovaries prepare for the egg.
Period after ovulation until the start of menstruation; PMS may occur.
Absence of menstruation for a prolonged period.
Menstrual pain and cramps.
Inner layer of the uterus that thickens and sheds during the cycle.
Period preceding menopause, characterized by changes in the cycle and symptoms.