I'd advise you to go to a family law attorney in your state and discuss the situation, rather than attempt to handle it yourself. Let your lawyer handle all communications with the father of your child and his spouse.
In the United States the father has no rights until the child is born.
No, a father smoking marijuana will not hurt an unborn child. The mother should do her best to stay out of the room, but the father smoking will not hurt.
No, the child has to be born first.
hearing the father and mother's voices, music, and comforting sounds.
Yes, if the couple are not married the mother is presumed to have full legal custody of an unborn or born child, until a court rules otherwise.
Yes. The father has no right to go to a personal doctors appointment.
Answer for England and Wales: Absolutely not.
The mother aborts, the father can't see links below
No the father has no paternal rights until the baby is born.
No. As the grandparent you have no rights to the child. But since she is not married to the father he will have to prove paternity with a DNA test if he wants parental rights such as custody, visitation and pay child support.
more than likely green or brown
I would believe so, if you are the father you have 50/50 rights unless the state you live in has unusual laws.