We are TTC but my SO won’t have sex with me

Some advice is needed ladies me and my SO have been together 4 years and he’s been telling me for just under a year now that we will TTC, he has 2 kids from 2 past relationships both fell pregnant before 1 year, my problem is he’s been saying for all this time to try and now is finding every excuse not to sleep with me and when he wants to he wants to use a condom. I’ve lost a baby girl many years ago and having a family that’s ours means something to me. Do any of you girls think I’m being played because in 10 months of TTC we’ve had unprotected sex twice and I’m now starting to think it’s me, I was at my peak few days ago and he wouldn’t touch me.

Any advice welcome I have a few mental health problems so need to know I’m not over thinking things. Thank you all in advance.

Update

Spoke to him and he didn’t realise how bad he was making me feel, after a few hours he opened up and explained he’s worried and we talked it all through and what he said he was sorry and then we actually made a start on the whole baby making thing. And this is one of the first times he’s ever opened up like it I feel closer to him now then ever.

Thank you all so much