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Which one of the following is the correct matching of the events occurring during the menstrual cycle?
(1) Proliferative phase – Rapid regeneration of myometrium and maturation of Graafian follicle
(2) Secretory phase – Development of corpus luteum and increased secretion of progesterone
(3) Menstruation – Breakdown of myometrium and ovum not fertilised
(4) Ovulation – LH and FSH attain peak level and sharp fall in the secretion of progesterone

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

Solution & Step-by-step Explanation

ShutterstockIn the Secretory (Luteal) phase:Following ovulation, the ruptured Graafian follicle transforms into the corpus luteum.The corpus luteum secretes high amounts of progesterone, which is essential for maintaining the endometrium (not myometrium) for potential pregnancy.

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Which one of the following is the correct matching of the events occurring during the menstrual cycle?
(1) Proliferative phase – Rapid regeneration of myometrium and maturation of Graafian follicle
(2) Secretory phase – Development of corpus luteum and increased secretion of progesterone
(3) Menstruation – Breakdown of myometrium and ovum not fertilised
(4) Ovulation – LH and FSH attain peak level and sharp fall in the secretion of progesterone
A
Proliferative phase — Rapid regeneration of myometrium and maturation of Graafian follicle
B
Secretory phase — Development of corpus luteum and increased secretion of progesterone
C
Menstruation — Breakdown of myometrium and ovum not fertilised
D
Ovulation — and attain peak level and sharp fall in the secretion of progesterone

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Human ReproductionMenstrual CycleEndocrinology

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