Which of the followings is a phase in the menstrual cycle?
Correct answer: D. All of these
- A. Menstruation
- B. Luteal
- C. Ovulation
- D. All of these
Explanation
Menstruation is the phase where the uterine lining sheds, leading to vaginal bleeding. It typically occurs at the beginning of the menstrual cycle. The luteal phase occurs after ovulation and before menstruation. During this phase, the ruptured follicle transforms into the corpus luteum, which produces progesterone to support a potential pregnancy. Ovulation is the phase where a mature egg is released from the ovary and is available for fertilization. It usually occurs around the middle of the menstrual cycle.
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About Reproduction
Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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