Which of the following statements are correct regarding female reproductive cycle? A. In non-primate mammals, cyclical c…

Which of the following statements are correct regarding female reproductive cycle?
A. In non-primate mammals, cyclical changes during reproductive life are called estrous cycle.
B. First menstrual cycle begins at puberty and is called menopause.
C. Lack of menstruation may be indicative of pregnancy.
D. Cyclic menstruation extends between menarche and menopause.

Choose the most appropriate answer from the options given below.

[NEET 2023]