During mensturation the level of progesterone in blood is

During menstruation , the progesterone level is .............. .

Low level of progesterone and estrogen in blood stimulate

Low level of progesterone and estrogen in blood stimulate

Low level of progesterone and estrogen in blood stimulate

During menstrual cycle, progesterone attains a peak level around

During menstrual cycle, progesterone attains a peak level around

Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level of progesteron takes place due to degeneration of corpus luteum .

Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level of progesteron takes place due to degeneration of corpus luteum .

Assertion: The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels. Reason : Rapid fall in the level of progesterone takes place due to degeneration of corpus luteum.