Question

The decrease in the level of estrogen and progesterone causes ___ .

• A. growth and dilation of myometrium
• B. growth of endometrium
• C. constriction of uterine blood vessels leading to sloughing of endometrium or uterine epithelium
• D. release of ovum from the ovary

Answer 1

The correct option is C constriction of uterine blood vessels leading to sloughing of endometrium or uterine epithelium

Estrogen and progesterone hormones help to maintain pregnancy. A decrease in the level of both the hormones causes constriction of uterine blood vessels leading to sloughing of the endometrium or uterine epithelium in the menstrual period.