Select the correct option describing gonadotropin activity in a normal pergnant female

High level of FSH and LH stimulates the thickening of endometrium

High level of FSH and LH facilitate implantation of the embryo

High level of hCG stimulates the synthesis of estrogen and progesterone

High level of hCG stimulates the thickening of endometrium

Solution

High level of hCG stimulates the synthesis of estrogen and progesterone

Human chorionic gonadotropin interacts with the LHCG receptor (luteinizing hormone/chorionadotropin) of the blastocyst and promotes the maintenance of the corpus luteum during the beginning of pregnancy. Corpus luteum secretes the hormone progesterone during the first trimester. The presence of the CG in urine is the indication of progancy dts level increases every 48-72 hrs (i.e., becousoduble) in pregnant women.