Which of the following is the correct matching of the events occurring during menstrual cycle ?

1. A. Menstruation — Breakdown of myometrium and ovum not fertilized
2. B. Ovulation — LH and FSH attain peak level and sharp fall in the secretion of progesterone
3. C. Proliferative phase — Rapid regeneration of myometrium and maturation of Grafian follicle
4. D. Development of corpus luteum — Secretory phase and increased secretion of progesterone.

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