did you have sex while you had cyst?

I haven't had a period in almost 4 months And haven't had sex in 4 months 😞 I be in pain sometimes but im waiting on a surgery date to have my 2 cyst removed. When you had sex did it hurt even worse? is it possible to even get pregnant? My sister periods are also irregular and she went 8 months without a period and some how she ended up pregnant when the doctors said she couldn't