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(A) During the menstrual cycle,the levels of pituitary hormones ($LH$ and $FSH$) and ovarian hormones (estrogen and progesterone) fluctuate in a speci

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(A) During the menstrual cycle,the levels of pituitary hormones ($LH$ and $FSH$) and ovarian hormones (estrogen and progesterone) fluctuate in a specific pattern.$1$. The $LH$ surge occurs around the $14^{th}$ day of the cycle,which triggers ovulation.$2$. After ovulation,the corpus luteum is formed,which secretes large amounts of progesterone.$3$. Consequently,progesterone levels rise significantly during the luteal phase (days $15-28$) to maintain the endometrium.$4$. Comparing the given graphs,the graph in option $A$ correctly shows the $LH$ surge at day $14$ and the subsequent rise in progesterone levels during the luteal phase.

Column $I$	Column $II$
$(a)$ Corpus luteum	$(1)$ Initially in abdominal cavity then in scrotum
$(b)$ Testis	$(2)$ At the anterior part of scrotum in male
$(c)$ Myometrium	$(3)$ Graafian follicle
$(d)$ Penis	$(4)$ Uterus

Which is the correct graphical representation of the pituitary hormone and ovarian hormone levels during the menstrual cycle?

Similar Questions

Which of the following is an example of a polyoestrous mammal?

$A$: Most birds possess only the left ovary and left oviduct for conveying the ovum released from the ovary.
$R$: The avian ovary does not form a corpus luteum from the ruptured ovarian follicle which undergoes rapid shrinkage.

Which of the following statements is incorrect?

In mammals,eggs are microlecithal and isolecithal because these are

Match the columns.

Column $I$ Column $II$

$(a)$ Corpus luteum $(1)$ Initially in abdominal cavity then in scrotum

$(b)$ Testis $(2)$ At the anterior part of scrotum in male

$(c)$ Myometrium $(3)$ Graafian follicle

$(d)$ Penis $(4)$ Uterus

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