"Menstruation or sometimes referred to as periods is the monthly flow of blood from the uterus through the vagina in all girls. During your menstruation cycle, the eggs in the ovaries mature and the lining of the uterus thickens to prepare for a possible pregnancy. About half way the cycle, a mature egg leaves the ovary and this happens about once a month. This is called ovulation. The egg travels through the fallopian tubes towards the uterus and when it’s not fertilized, the linings of the uterus are shed and blood comes out at the end of your cycle. The…"