unless you are a blood relative of the child - your chances are very slim
In many states, she only has firm custody if she has already adopted the child.
You, because you are the mother of the child. Unless you got the baby taken away form you and someone else has custody of him/her.
No, as it's been longer than six months
The parent that is in the child's best interest.
only if mum has custody
Yes, as long as the child is a minor they can not choose where to live.
As in taking the child away from the other parent? Perhaps
A child custody order remains in effect until the child is of the age of 18. If the child turns 18 before he or she graduates high school the custody order will stay in effect until the graduation occurs.
It is possible but there would need to be a compelling reason for the court to make such a drastic change in the child's living arrangement. You should consult with an attorney who can review your situation and explain your options.
If you are a parent of a child, then you would provide support for the child, even if you do not have custody.
She already has sole legal custody as an unmarried mother. He can petition for visitation and pay child support.
YOu need to be over 18 years of age, and petition the probate court for custody in the county the child lives in.