What Is Periods?
What Is Periods?: A period, or menstruation, is the shedding of the endo metrium. the uterine lining. Menstruation is also known as menses. All female humans, as well as some other female mammals, have regular periods during their reproductive age. Menstruation which includes bleeding from the vagina is found mainly among humans and similar animals, such as primates. In many mammals, the endometrium is reabsorbed by the animal. As far as humans are concerned a period is a bleed from the womb (uterus) that is released through the vagina. Women have a period every 28 days approximately. However, some women may have a 24-day cycle while other may have a 35-day one. A period is part of the woman's menstrual cycle.
When does a girl start having periods?: A girls periods can begin from 8 to 16 years of age. Generally, they start when a girl is about 12. Researchers identified two genes that are involved in determining when girls begin menstruation. Menstruation is a major stage in a girls puberty. It is one of several physical signs that a girl is becoming a woman. Approximately 6 months before getting her first period a girl may detect more clear vaginal discharge. Unless the discharge has a strong odor, or causes itchiness, this is normal and nothing to worry about. The periods will occur regularly until the woman reaches her menopause. The menopause arrives generally when the woman is aged about 45 to 55.