mensturation is anoter name for period. A girl gets their period about once a month and the first day they get their period is the first day of a girls menstruation cycle or mostly known as a period cycle.
Menstruation comes periodically. That is why it is called as period.
If you have normal menstruation you cannot be pregnant.
menopausal
menopausal
If you haven't got your menstruation at 17-18 you should go see a doctor. Up til then it's normal.
This beginning time is called menarche.
Ugly-Condom-Lady-Armpit-Monkey-Ovulation-Menstruation
Menstrual cycle refers to the entire reproductive cycle, starting during menstruation - there is no 'after the menstrual cycle' but I think you might mean after menstruation. After menstruation the cycle starts again, typically a woman will be fertile around a week after menstruation so her body will produce fertile cervical mucus and she will ovulate.
it means that either an individual women are pregnant,
If you've ruled out normal menstruation see your md
Ugly-Condom-Lady-Armpit-Monkey-Ovulation-Menstruation
When the uterine lining sheds this is typically called menstruation. Although women on hormonal birth control will experience a faux period in the form of a withdrawal bleed.