By about week 10. http://www.babycenter.com/6_your-pregnancy-10-weeks_1099.bc?intcmp=timeline
In brief, yes they do. yes, as a mater of fact they do have fingernails when they are born
Some premature babies get dark colored or black fingernails because of the lack of fat under the skin which causes the skin to discolor. This can also be due to a lowered amount of oxygen in the extremities shortly after birth.
Uterus
A baby developes fingernails while still in the mother's whombccccccccccccccccccccccccc
Babies are born with finger nails. And you can cut them right away, it is a myth that you need to wait.
Human babies develop motor control over a period of time after their birth. Some develop motor controls faster than others. Most babies first develop neck muscle motor control.
My guess is that when the baby starts clawing at your insides, that you will become aware of the existence of its fingernails.
yes the reptiles develop in eggs
They grow then they develop there babies then they get older
obviously
It is because babies can develop a allergy to it. Cow's milk is also hard for babies to digest.