Sex while pregnant

I am 33 weeks and 3 days pregnant and honestly cant remenber last time my fiance and i had sex. I am going crazy bc he makes jokes about how he is going to but then doesnt. I can wear sexy clothes, kiss on him and nothing. He made a comment the he feels weird about it and he would rather have sex on period ( only happen when we werent seeing each other much) bc he doesnt feel comfortable having sex with me while im pregnant but im about to come apart wanting him to have sex with me.