Word parts
What it means
A menstrual cycle averages about 28 days, with a normal range of about 21 to 35 days, and bleeding usually lasts 2 to 7 days. The first day of the last menstrual period is used to date a pregnancy.
At a glance
| Spanish | menstrual |
|---|
Related terms
menopause
The time in a woman's life when menstrual periods stop for good, counted once there has been no period for 12 months in a row.
-rrhea
A word ending that means flow or discharge.
perimenopause
The years leading up to menopause, when hormone levels rise and fall and periods become irregular.