Multiple choice

The monthly flow of blood in a woman is called ___________.

  1. menstruation

  2. gestation

  3. ovulation

  4. fertilization

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Menstruation is the monthly shedding of the uterine lining (endometrium) accompanied by blood flow, occurring when fertilization doesn't happen. Gestation is pregnancy duration, ovulation is egg release, and fertilization is the fusion of egg and sperm.