F irst three steps:
1. CONSULT with a good family lawyer and explain all the facts in detail. That way the attorney can give you an idea of your options and the range of possible outcomes.
2. HIRE a good family law attorney. Custody battles are complicated and it is easy for one to slip out from under you.
3. FILE a petition to establish paternity and set up conservatorship, a possession schedule, and child support.
I am very familiar with the courts in Dallas county and can assure you that they will not be pleased by this baby Yo-Yo game the mom plays.
You should immediately consult with and hire a family law attorney. Child custody cases are very complicated and very emotionally charged. You will need to establish paternity and have custody and visitation determined. You really should act as soon as possible to stop the possession issues.
The above answer is from the limited information given and not meant to take the place of a full consultation regarding your legal questions. The answer is meant for general purposes and no attorney client relationship has been established.