Struggling to get my husband into sex?

I'm a FTM and this whole pregnancy experience has been quite life changing for us! 1st trimester I struggled with body image issues on top of the exhaustion and nausea so sex was there but seldom.. by the 2nd trimester sex just didn't feel good, my husband constantly thought he was hurting me so it wasnt good for him either and we we're both just like 🤷 forget it, this is a short period of our lives we will just not have sex... Well, fast forward to the 3rd trimester, I'm so sexually frustrated y'all!!! I keep flat out asking him to have sex with me, offering just doing favors for him, etc and he's like "it's weird, you're just so pregnant". He claims it's like instinctual, his body isn't drawn to mine because mission has already been accomplished.

Is anyone else dealing with this or something similar with their partner? I get it, I don't feel sexy either but damn it's been months 😩