puberty
It is known as puberty.
menstruation
puberty
Hormones
Puberty is a stage of physical development during adolescence.
It is your body changing from the child stage to the adult stage.
I would say around 12
yes, it is called bloating and happens to every girl during puberty
Puberty signals the start of this procedure because the sex hormones are being produced and sent around the body. It cannot happen before this as this is the beginning point.
Puberty.
Girls begin the most commonly questioned stage of puberty at 11-14 years of age - puberty is constant, not just a one-time occurance. Since the age range is 11-14, some girls are simply late to begin that stage of puberty. Not everyone is the same, after all.