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Women have menstrual periods because this is a part of our reproductive cycle. Every cycle we ovulate and the uterus builds-up to prepare for possible pregnancy to care for the fetus, if a woman doesn't fall pregnant then the uterus lining sheds so it can start a fresh next cycle.

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10y ago

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What are the reasons girls have periods?

Girls have periods as part of their menstrual cycle. When an egg is not fertilized, the egg and uterine lining is expelled from the body once a month which is known as a period.


If girls have periods what do guys have?

Guys do not have periods because they do not have a menstrual cycle. Guys do not experience the same hormonal changes and shedding of the uterine lining that occurs during a menstrual cycle in females.


Can a girls periods stop suddenly on 4th day when her menstrual cycle is of 6 days if she have sex during her periods?

Yes.more than likely it is just a coincidence


Why do girls have monthly periods?

Girls get periods to prepare their bodies to have a baby when they are older. The blood comes from inside the uterus, in which the wall of the uterus sheds a fluid containing blood that isn't needed. It is needed when you get pregnant. That's why you miss periods if you are pregnant.


The term is used to designate the transition phase between regular menstrual periods and no periods at all?

Peri-menopause is the term used before menstrual periods end. The transition between peri-menopause and pre menopause when estrogen begins stopping the menstrual periods.


What is menstrual cycle called?

PERIODS..................................................


Where do you get your periods?

I'm guessing that you mean menstrual periods so, Your vagina?


How do Birth control pills affect a woman's menstrual periods?

A woman's menstrual periods are regular and usually lighter when she is taking oral contraceptives


Do reptiles have menstrual cycles or periods?

No, reptiles do not have menstrual cycles or periods like mammals do. Instead, they have reproductive cycles that are different from those of mammals.


When do periods occur?

during the menstrual cycle


Do antihistamine delay menstrual periods?

yes


Why do girls get periods while guys get nothing?

Girls get periods and they have it so that while ovulating (getting her period) and has sex she can become pregnant. Men don't have periods because they carry sperm to help get a woman pregnant. And you know that men can't have babys.