Hormones are responsible for the onset of menses. When the body produces enough hormones, the menstrual cycle begins.
Menarche
The term for the onset of a woman's monthly menstrual flow is menses. The term for the first period in a girl is menarche.
Menses will begin when the body is ready for it to happen. Menstruation begins on a certain day in a 28 day cycle when it is normal. The initial onset of menses happens when a young girl is developing and going through puberty.
Onset of menstruation which happens during puberty is termed menarche.
it will be the uncontrolled division of a cell.
girls start about the age of 10 and boys start an 11 12 13 just depends Menstruation and puberty are inextricably links in females. The onset of the menses is also the onset of puberty.
A boy can get a girl pregnant when his semen becomes matured. That's all I know, were learning about it right now in health class. Anytime after the onset of menses for girls .
Neutrophils
Estrogen is necessary for breast development and menstruation.
post-revisionist
"Why blood is released during menses?"
Meno- is the medical terminology combining form meaning menses, as in menorrhagia (heavy menses) or dysmenorrhea (painful or difficult menses).Men/o, Mens/o,