Which of the following statements are correct regarding female reproductive cycle?A. In non-primate mammals cyclical changes during reproduction are called oestrus 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:
- AA and D only
- BA and B only
- CA, B and C only
- DA, C and D only
Solution & Step-by-step Explanation
1. A is correct: Non-primates have the oestrus cycle.2. B is incorrect: The first cycle is called menarche. Menopause is the cessation of the cycle.3. C is correct: Absence of a period is a primary sign of pregnancy.4. D is correct: The period between menarche and menopause defines the reproductive phase.Statements A, C, and D are correct.