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(D) The secretion of $GnRH$ (Gonadotropin-Releasing Hormone) from the hypothalamus is pulsatile. In females,the frequency of these $GnRH$ pulses chang

Vedclass · Accepted Answer

Estrogen and Progesterone

Vedclass · Answer

(D) The secretion of $GnRH$ (Gonadotropin-Releasing Hormone) from the hypothalamus is pulsatile. In females,the frequency of these $GnRH$ pulses changes during the menstrual cycle. These changes in pulse frequency regulate the secretion of gonadotropins ($LH$ and $FSH$) from the anterior pituitary gland. These gonadotropins,in turn,stimulate the ovaries to secrete the ovarian hormones,which are Estrogen and Progesterone. Therefore,the correct answer is $D$.

Column-$A$	Column-$B$
$A$. Follicular phase	$i$. Release of secondary oocyte
$B$. Luteal phase	$ii$. Fully mature Graafian follicle
$C$. Menstrual phase	$iii$. Formation of corpus luteum
$D$. Ovulatory phase	$iv$. Breakdown of endometrium

Changes in $GnRH$ pulse frequency in females control the secretion of ..........

Similar Questions

Match the Column-$A$ with Column-$B$:

Column-$A$ Column-$B$

$A$. Follicular phase $i$. Release of secondary oocyte

$B$. Luteal phase $ii$. Fully mature Graafian follicle

$C$. Menstrual phase $iii$. Formation of corpus luteum

$D$. Ovulatory phase $iv$. Breakdown of endometrium

Withdrawal of which of the following hormones is the immediate cause of menstruation?

If the ovum is not fertilized in a female,the developed corpus luteum degenerates. What is this structure called?

The sequence of hormones during the menstrual cycle is:

What is the $CESSATION$ of the menstrual cycle called?

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