Question

in which period menstrual cycle start

Answer 1

hey...

menstual cycle start at the age of 13-14 can will last till the age of 35

Answer 2

From there on, estrogen levels keep on ascending until around day 14, which is the point at which the follicle discharges an egg from the ovary.

This is known as the ovulation stage.

After the ovulation stage, the second 50% of the menstrual cycle starts, which is the luteal stage.

Beyond any doubt it will make a powerful effect.