no no
Means that if she has sex she can get pregnant.
boys,have grow body hair ,girls have a mentruation
boys,have grow body hair ,girls have a mentruation
The four phases of the mentrual cyle are the follicular phase, ovulation, luteal phase, and mentruation
It is perfectly normal not to have your period at 13. If you reach 17 and still haven't had it, then you need to go and see a doctor
Menstruation indicates that a girl's body has reached reproductive maturity and is capable of becoming pregnant. It is a normal part of the menstrual cycle, which prepares the body for potential pregnancy each month.
There are birth control pills regimens designed to prevent bleeding for three months at a time or for as long as a year. But it's possible to prevent your period with continuous use of any birth pill.
Yes, some lesbians menstruate. Others don't just like some straight women don't; they may have a medical condition that stops them form menstruating, or they may be highly athletic and not menstruate for that reason.
There isn't one. Bodies aren't clockwork perfect, which makes "safe periods" notoriously unreliable, one out of five women using that ends up pregnant within one year.
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.
As a means of contraception there is no time that is 100% safe especially with irregular cycles. As a general rule two weeks after mentruation is the most fertile time. But many things, such as stress, can throw this 'rule of thumb' out of order. This is the exact reason why this is a poor form of birth control.