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Involution of the corpus luteum occurs during which phase of the menstrual cycle?
a: Premenstrual phase
B:Menstrual phase
Croliferative
D:Secretory phase
E:ovulatory phase
F:fertlisation

d................

f...........

sorry b..............

a??

ok now iam confused
i now that the onset of menses-involution of the corpus luteum
go with d.............

skyblue

d

B-menstrual phase (days 1 - 4): during this phase the stratum functionalis is shed as the menstrual flow. This occurs due to the involution of the corpus luteum of the ovary following a failure to become pregnant.

B is the correct answer--expl provided by luckyalways{what a nice name!}Hey sammy, u were right before.

b..