Question

the menstrual cycle begins with which phase?
a ovulation
b the menstrual phase
c the secretory phase
d the luteal phase
check it

Explanation:

The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that make pregnancy possible. The menstrual phase is the first phase of the menstrual cycle. During this phase, the lining of the uterus (endometrium) is shed.

Answer:

B. The menstrual phase