question dye test/endometriosis surgery

How likely is it that I'll find what I'm looking for. Okay so my lab work came back and don't have pcos so I got referred to a different dr. I go talk to him about seeing why I can do next, she said she don't know if he'll refer me to do the laparoscopic surgery to check for endometriosis yet , because he may want me to use BC first. But I'm TTC like now. So do you think they'll try to force birth control on me ? Also how long and what all do you have to prove before you get the dye test ?