Girls
Well, the menstruation starts at the age of 12-13 in girls. The term for onset of menstruation is menarche .
Menstruation
There is increase in libido. also onset of menstruation.
They are already fertile when you're born, but not released until menstruation!
Yes there is bleeding during menstruation
no. you should stop the medication during menstruation and just resume after
For Girls it is usually Menstruation, periods begining. For boys it is generally the voice deepening.
No, menstruation cannot contrinue during pregnancy. Menstruation will only occur if the egg during ovulation is not fertilised. You cannot menstruate while pregnant, although you can bleed for a few reasons so if you do experience bleeding during menstruation you should see your doctor.
Yes, especially girls. For girls with puberty comes menstruation (periods) and therefore participating in sport can be very uncomfortable.
The onset of menstruation in girls. The increase in the testis size in boys. The growth of hair on pubic regions.
No, girls don't need to have menstruated to get pregnant. Ovulation occurs BEFORE menstruation so you can get pregnant before menstruation.