In the second trimester of pregnancy,there is | vedclass

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(C) During pregnancy,the placenta produces several hormones essential for maintaining the pregnancy,such as human chorionic gonadotropin $(hCG)$,human

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hCG

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(C) During pregnancy,the placenta produces several hormones essential for maintaining the pregnancy,such as human chorionic gonadotropin $(hCG)$,human placental lactogen $(hPL)$,estrogens,and progestogens.$hCG$ is produced by the syncytiotrophoblast of the placenta shortly after implantation to maintain the corpus luteum.Its levels rise rapidly during the first trimester to ensure the production of progesterone.By the second trimester,the placenta itself becomes fully capable of producing sufficient progesterone and estrogens to maintain the pregnancy,leading to a significant decline in the levels of $hCG$.

In the second trimester of pregnancy,there is a decline in the level of . . . . . . .

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