at about six months and sit up with out falling i would say seven..
depends on the environment in the household
beyonce baby is 8 or 10 months
the sex of the baby is determined at six months
9 months
5 months.
their are 14 months
10 months
The baby grows in the mother's womb for nine months before it is ready to be born.
4 months
2 months.
14
Usually 5-7