Yes take it slow because you never know if your pregnancy is completely normal. For example, you could have a short cervix and rough sex could cause .. Well, trouble.
If certain positions hurt stop and get into a different one. I'm 32 weeks and 2 days and I can only handle two positions because he doesn't go that deep. My fiancé hates it but its all I can do because all the others I feel his di ck like in my throat instead of where it should be. Tmi I'm sorry.
Well if its bdsm or any type of breathe control play I would stop. Just do what is comfortable to you, if it hurts stop.
I'm having twins n I didn't take it slow n everything was still fine...talk to your doctor make sure