Lutein cells are found in which of the following?

$A$ : The morula passes through the phase of compaction,producing two major types of cells: the peripheral cells and the inner cell mass.
$R$ : The descendants of the inner cell mass become the trophoblast cells.

In the human uterus,the period of maximum and minimum fetal growth occurs in which months,respectively?

Which of the following is false for progesterone?

The first movement of the fetus and the appearance of hair on the head are usually observed during which month of pregnancy?

At which stage does cell division decrease?