Division of Zygote

Q.

Select the correct option describing gonadotropin activity in a normal pregnant female:

1. High level of FSH and LH stimulates the thickening of endometrium

2. High level of FSH and LH faciliate implantation of the embryo

3. High level of hCG stimulates the synthesize of estrogen and progesterone

4. High level of hCG stimulates the thickening of endometrium