You likely are required to provide notice to the court and the father per the order you have in place. You should review your current order and...

You would need to petition the court for custody of the children based on the reasons you've provided. You should hire a family law attorney to...

You should discuss with your father about him petitioning for custody of you. Since you are 17, the court is likely to take your preference into...

You can definitely get an order for contributions for medical expenses. You may be able to negotiate some contribution for extracurriculars, but...

Depending on your age, you could look into emancipation. Or, you can discuss with your grandmother and a attorney re third party custody. Either...

You should listen to your lawyer's advice. Adultery is still a crime in Virginia.

No, you do not need to give your child the father's last name to be able to list him on the birth certificate.

No, who files first does not matter. The children remaining with you will also likely be in your favor.

It depends on the custodial agreement, which you appear to be saying does not give you that right.

Yes, you can file for custody in the Juvenile and Domestic Relations Court prior to filing for divorce in Circuit Court.