HELP ME!!!

I have endometriosis and ovarian cysts on both ovaries, one, if not both of which is an endometrioma (chocolate cyst). Today i went to visit my doctor and she said that she may have to remove one of my ovaries smh...im 💔💔💔 ...is there anything I can do to prevent this? will i still be able to get pregnant with only 1 ovary? someone please help me idk what else to do i've. been ttc for close to 3 years and i just really want my baby in my arms 😢😢