Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remain

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2.Human Reproduction

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Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for $10-12$ days. Explain.

Option A

Option B

Option C

Option D

Solution

Broken graafian follicle get convert into corpus leuteum and secretes progesterone in large amount that is necessary for care of endometrium. Such endometrium becomes necessary for fertilization ovum (zygote) of implantation and other events of pregnancy. Due to this reason there is a long life of corpus leuteum in pregnancy. But no care of endometrium necessary in absence of fertilization. Therefore corpus leuteum decomposes into $10$ to $12$ days.

Standard 12

Biology

$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur.
$R$ : Luteolysis may be due to withdrawal of $LH$ support

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A temporaryendocrine gland in the human body is

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(NEET-2017)

About which day in a normal human menstrual cycle does rapid secretion of $LH$ (popularly called $LH$ surge) normally occurs?

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(AIPMT-2011)

The menstrual cycle in normal adult woman is of

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What are the changes in the oogonia during the transition of a primary follicle to Graafian follicle ?

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Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for $10-12$ days. Explain.

Solution

Similar Questions

$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur. $R$ : Luteolysis may be due to withdrawal of $LH$ support

A temporaryendocrine gland in the human body is

About which day in a normal human menstrual cycle does rapid secretion of $LH$ (popularly called $LH$ surge) normally occurs?

The menstrual cycle in normal adult woman is of

What are the changes in the oogonia during the transition of a primary follicle to Graafian follicle ?

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$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur.
$R$ : Luteolysis may be due to withdrawal of $LH$ support