Extremely uncomfortable sex

Cynthia
I need some input, I'm currently 30weeks and maybe since early last week I started to feel swollen down in my lady parts. My husband checked, agreed, I called the dr and they say it's completely normal. I tried to be intimate with him last week, then again last night. It's EXTREMELY uncomfortable, painful... And now I'm so sad. I thought sex was suppose to be even better :( is anyone experiencing this, or if you did, did it pass? I'm really hoping it does, because after baby arrives I know sex will be non existent, I'm just not ready for it to start now.