Question

what is menstrual cycle describe it in brief

Answer 1

$\huge\mathfrak{Answer}$..✌

In female, Menstrual cycle is the cycle of changes which takes place in ovaries and uterus regularly after 28 or 30 days and is marked by menstrual flow is called menstrual cycle.

Answer 2

Female reproductive system undergoes some changes at puberty and those changes repeat at interval of every 28 - 30 days. These repetitive changes are called as menstrual cycle. Menstrual cycle is a natural process controlled by four hormones.  Those four hormones are follicle stimulating hormone ( FSH )  luteinizing hormone ( LH )  estrogen and progesterone.