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In case of non-fertilization, corpus lut...

In case of non-fertilization, corpus luteum

A

Stops secreting progesterone

B

Changes to corpus albicans

C

Starts producing progesterone

D

None of the above

Text Solution

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The correct Answer is:
B
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Corpus luteum is

Which statement is not correct:- (a) In the absence of fertilization, the corpus luteum degenerate (b) During pregnancy all events of menstrual cycle stop (c) The secretion of LH and FSH deceases gradually during the follicular phase (d) The menstrual flow result due to breakdown of endometrial lining

What is corpus luteum?

Assertion : After fertilization corpus luteum is stable till parturition . Reason : After 3 months of intrauterine life it dominantly secretes progesterone .

Read the following statements about menstrual cycle and select two correct statements. (i) Lack of menstruation may be indicative of pregnancy. (ii) The changes in the ovary and the uterus are induced by changes in the levels of ovarian hormones only. (iii) LH surge induces ovulation. (iv) If fertilization occurs, corpus luteum degenerates immediately

A : If fertilization occurs the corpus luteum is rescued from regression by human chorionic gonadotropin which is produced by placenta R : In first trimester the corpus luteum stimulates by hCG is responsible for the production of progesterone

Assertion : If fertilization does not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due to degeneration of the corpus luteum .

Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level of progesteron takes place due to degeneration of corpus luteum .

Draw a diagramatic sectional view of human ovary showin stages of oogenesis along with corpus luteum Where is morula formed in humans? Explain the process of its development from zygote