Question

which phase of the uterine cycle is most influenced by rising estrogen levels?
menstrual phase
proliferative phase
secretory phase
luteal phase

Explanation:

Rising estrogen levels stimulate the growth and thickening of the uterine lining. This occurs during the proliferative phase of the uterine cycle. In the menstrual phase, estrogen levels are low. The secretory phase is mainly influenced by progesterone. The luteal phase is related to the corpus luteum and progesterone - estrogen balance post - ovulation.

Answer:

Proliferative phase