Feeling so emotional today.

Kelly • Got a baby in heaven now 😇. Going to ttc again soon.
My mum has pcos and had major difficulty conceiving. It keeps cropping up in my head that "what if you can't give him kids", "what if I can't have children". It keeps getting me really down. When I try talk to my boyfriend about it all he says is "I'm not talking about this". I got tested for it when I was 16 but his mother got it when she was older. I also keep getting worried that his sperm won't stay in me for the few days it's alive. I'm currently 4 dpo and just want to test which also isn't helping.