Question

what hormonal change occurs after fertilization that causes the endometrial lining to remain intact so that the fertilized egg can successively implant in it?

Answer 1

Answer: The membrane surrounding the embryo secretes human chorionic gonadotropin, which prevents the corpus luteum from disintegrating.

Explanation: During the development of the embryo, several hormonal changes occur in the mother’s body. In the first week of pregnancy, the membrane surrounding the embryo secretes a hormone called human chorionic gonadotropin (hCG). This hormone prevents the corpus luteum from breaking down, which keeps levels of progesterone (and to a lesser extent estrogen) high during pregnancy which supports the endometrial lining.

Answer 2

The answer is the pituitary gland secretes follicle stimulating hormone, which acts on the follicles and stimulates them to produce progesterone.

The endometrial lining is where the fertilized egg implants, or burrows and attaches itself to the uterine wall, where it will continue to grow and be nourished. There are three layers of the uterus: The perimetrium is the outer layer, the myometrium is in the middle, and the endometrium is the inner layer of the uterine wall.