menstrual period, otherwise known as menstruation or menses, is
just one part of the menstrual cycle, a 28-day long process continually
performed by your body. The menstrual cycle involves the uterus,
cervix, ovaries, fallopian tubes and vagina. These
are all aspects of your reproductive system because the menstrual
cycle is your body’s way of preparing you for pregnancy. Every
month, the reproductive system practices for fertilization of your
eggs and the development of a fetus. The process is guided by hormones,
particularly estrogen, progesterone, follicle-stimulating hormone
(FSH) and luteinizing hormone (LH).
Every month, your uterus prepares
for an embryo by thickening its lining with tissue and blood. When
an egg is released (ovulation) and
if it isn’t fertilized, then the uterus will shed this lining.
And that is what your period is—simply the shedding of the