Curious question about sex after

Melissa • This is my 3rd pregnancy excited nervous all at the same time . We have a son who’s 8 a daughter who’s 2 and now expecting.
My 6 week pp is coming up I know some people haven't waited. I wasn't going to wait but had problems with my csection cut, but I'm all healed now. Any who my question is I wanna have sex with my hubby so bad but In the back of my head I'm kinda worried about getting pregnant right away being so soon. This is my second I wasn't worried with my first this time I'm not even thinking of a 3rd lol but is anyone feeling the same as me or is anyone being protected I haven't got my birth control yet can someone help with my fear