Hysterectomy?
The menstrual cycle is the entire reproductive cycle, I think that you mean menstruation/period. Gymnasts do the same as every other girl, just use a pad, tampon, or menstrual cup.
It is their menstrual cycle period.
It is their menstrual cycle period.
A girl can start her menstrual cycle from when she is about 9 years old any where through to when she is 16 years old.
Yes, they certainly do.
Yes, there are certain times during her menstrual cycle where her survival instincts kick in and her body tells her that she needs to reproduce. This affects each girl differently.
When a girl ovulates depends on her own menstrual cycle. During an average menstrual cycle a woman will ovulate two weeks before menstruation, but cycles can differ greatly from one person to the next and change from cycle to cycle. To determine when a girl ovulates she would have to use ovulation testing kits of fertility awareness methods.
... It is not possible to impregnate an infant girl until she has hit puberty and started her menstrual cycle.
The average is 28 days but it varies with each girl.
No, a guy cannot directly cause a girl's period. Menstruation is controlled by hormone levels in a girl's body and is a natural part of her menstrual cycle. However, stress or changes in routine can sometimes affect a woman's menstrual cycle.
Technically, a girl can get pregnant at almost any age, but there are less health-risks (for both the girl and her child) after she begins her menstrual cycle.
The average weight of a 13 year old girl starting her menstrual cycle can vary depending upon the individual. Menstrual cycles are known to cause temporary weight gain until the end of the cycle.