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2.Human Reproduction
normal
In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
A
high level of circulating $FSH$ and $LH$ in the uterus to stimulate implantation of the embryo
B
high level of circulating $hCG$ to stimulate endometrial thickening
C
high levels of $FSH$ and $LH$ in uterus to stimulate endometrial thickening
D
high level of circulating $hCG$ to stimulate estrogen and progesterone synthesis.
(AIPMT-2012)
Solution
(d) : During pregnancy, placenta also acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin $(hCG)$, human placental estrogen, progesterone, etc. The $hCG$ stimulates and maintains the corpus luteum to secrete progesterone.
Standard 12
Biology
