In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was
high level of circulating $FSH$ and $LH$ in the uterus to stimulate implantation of the embryo
high level of circulating $hCG$ to stimulate endometrial thickening
high levels of $FSH$ and $LH$ in uterus to stimulate endometrial thickening
high level of circulating $hCG$ to stimulate estrogen and progesterone synthesis.
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Which hormone level reaches peak during luteal phase of menstrual cycle?
The gestation period of elephants is about
Which is not the function of placenta ?
$A$ : In frog gray cresent is formed during fertilization.
$R$ : It is because the black granules move towards the point of entry of the sperm in animal half