ORILISSA????

I have a laparoscopy done in 4/10/19 and yes i have. Endometriosis i am 22 years old and. I had a 50/50 chance of having babies again and the other (percent) were to have all my female paets tooken out ... BUT THERE IS A GOD AND MY DOCTOR SAVED EVERYTHING I RETURN TO THE DOCTOR MAY 2 and i was told im going to be on orilissa for 6 months and i will be off..WHAT DOSE IT DO ANYONE PLEASE .WHY DO IT STOP YOUR CYCLE BUT DONT PREVENT Pregnancies