Beginning on the first day of the menstrual cycle,the order of phases in the uterus is
A)proliferative,secretory,menstrual.
B)secretory,proliferative,menstrual.
C)menstrual,secretory,proliferative.
D)menstrual,proliferative,secretory.
E)secretory,menstrual,proliferative.

Question

Quizplus · Accepted Answer

The menstrual phase marks the beginning of the menstrual cycle and lasts for 3-7 days, during which the endometrial lining of the uterus sheds. This is followed by the proliferative phase, which lasts for about 9 days and is characterized by the growth and thickening of the endometrial lining. The secretory phase comes next and lasts for about 14 days. This phase is characterized by the secretion of nutrients and fluids by the endometrial glands to prepare the uterus for the implantation of a fertilized egg. Therefore, the correct order of phases in the uterus is menstrual, proliferative and secretory.

Beginning on the First Day of the Menstrual Cycle,the Order