If you are concerned about being granted custody of a child it would be best to speak to an attorney about the situation. Custody laws vary, depending on the state. A knowledgeable attorney could provide you with the relevant information and worthwhile advice.
most likely he will lose his rights til the judge decides what is best for the child.
How does he have any visitation rights with a custody and child support order?
When married you have equal rights to the child.
A step-parent has no legal rights regarding your child. The biological mother has visitation rights and other rights when the child is in her custody.
Not custody rights but you can have a chance to visitation. Speak to your lawyer.
Parents usually have to pay for their child even if it is the state that has custody. The child is taken away and parental rights terminated in order to protect the child. If you want your parental rights back and custody you will have to turn to the court.
no
Even though the mother is underage she still has custody of her child as long as she does not do something to get custody taken away from her
Rights pertaining to what?
If you have full custody, and the child is under eighteen, then yes.
file for custody
See Link BelowChild Custody- Can Fathers Win