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(A) In the human menstrual cycle: $1$. $A$ represents $FSH$ (Follicle Stimulating Hormone), which stimulates the growth of ovarian follicles during th

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$A-FSH, B-LH, C-LH, D-	ext{Oestrogen}, E-	ext{Progesterone}$

Vedclass · Answer

(A) In the human menstrual cycle: $1$. $A$ represents $FSH$ (Follicle Stimulating Hormone), which stimulates the growth of ovarian follicles during the follicular phase. $2$. $B$ represents $LH$ (Luteinizing Hormone), which triggers ovulation. $3$. $C$ represents $LH$, which is responsible for the maintenance and function of the corpus luteum. $4$. $D$ represents Oestrogen, which is secreted by the developing follicles and causes the thickening of the uterine lining (endometrium). $5$. $E$ represents Progesterone, which is secreted by the corpus luteum and is essential for the maintenance of the uterine lining during the luteal phase. Therefore, the correct sequence is $A-FSH, B-LH, C-LH, D-	ext{Oestrogen}, E-	ext{Progesterone}$.

The figure given below illustrates the changes taking place during the human menstrual cycle. Identify hormones $A, B, C, D$ and $E$ from the figure. In the boxes shown in the figure, write the name of the hormone (or hormones) controlling the stage in the human menstrual cycle.

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