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

Menstruation, breakdown of myometrium and ovum not fertilized

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Ovulation, LH and FSH attain peak level and sharp fall in the secretion of Graffian follicle

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Proliferative phase, rapid regeneration of myometrium and maturation of Graafian follicle

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Development of corpus luteum, secretory phase and increased secretion of progesterone

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Solution

The correct option is D Development of corpus luteum, secretory phase and increased secretion of progesterone
Ovulation is followed by the luteal phase in ovary wherein, LH stimulates the formation of corpus luteum from ovulated Graafian follicle which in turn secretes estrogens and progesterone. As the same time, secretory phase in the uterus (day 15-28) is marked by uterine endometrium thickening, under the influence of progesterone as secreted by corpus luteum, to prepare it for implantation. Therefore, the correct answer is option D.

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Similar questions

Q. Refer to the given schematic representation of menstrual cycle showing three phases I, II and Ill.

Select the option that correctly matches these phases with the following events.

(i) FSH secreted by the anterior pituitary stimulates the ovarian follicle to secrete estrogen which stimulates the proliferation of the endometrium.

(ii) LH secreted by the anterior pituitary stimulates the development of corpus luteum which secretes progesterone.

(iii) Reduced production of LH from anterior pituitary causes degeneration of corpus luteum, thereby progesterone production is reduced.

Q. Some important events that occur during the menstrual cycle are given below. Arrange the events in a proper sequence and select the correct option.
(i) Proliferation of endometrial wall
(ii) LH surge
(iii) Secretion of estrogen
(iv) Secretion of progesterone
(v) Ovulation
(vi) Growth of corpus luteum
(vi) Degeneration of corpus luteum
(vii) Menstruation

Q. Match column 1 to column 2:

	Column 1		Column 2
a	FSH	1	Prepare endometrium for implantation
b	LH	2	Develops female secondary sexual characters
c	Progesterone	3	Maturation of Graafian follicle
d	Estrogen	4	Development of corpus luteum

Column I	Column II
(a) FSH	(i) Prepare endometrium for implantation
(b) LH	(ii) Develop female secondary sexual characters
(c) Progesterone	(iii) Contraction of uterine wall
(d) Estrogen	(iv) Development of corpus luteum
	(v) Maturation of Graafian follicle

Match the hormone in column I with their function in column II and choose the correct combination from the following.

In menstrual cycle one ovum is released from either ovaries and the remaining graffian follicle converts into corpus luteum which will secret progesterone for only 7 days but if pregnancy occurs then it secret progesterone for 3 months , in this scenario how the corpus luteum will secret RELAXIN at the parturition at 9 month if it is already died and replaced by placenta?

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