SUBREDDIT: r/relationships
TITLE: There is a 80% chance I (20F) can't have children, but my boyfriend (24M) will not stop bringing up wanting to have his own kids. I don't know what to do.
POST: I found out recently that I have a medical condition that makes it very difficult for me to conceive, and very, very risky for me and the baby. If I were to get pregnant, I would have to take a shot of heparin (blood thinner) in my stomach twice a day to reduce the risk of miscarriage, and thrombosis. 

So basically, i've decided that I am not going to bother with pregnancy, and I have let my boyfriend of two years know this as well. Yet, for some reason, he still brings up "when we have our own kids!", "when you're pregnant, and I have to rush you to emerge", or "I can't wait until I get to create a little life."

And every time, I have to remind him that it's not really possible and he gets really sad. We have talked about adoption, but I don't know if he is that interested in adopting. 

I just wish I could be that pregnant girlfriend or wife he wants in the future, but at the same time I wish he could be sensitive to the fact that I can't and wont have kids.
TL;DR: 
I probably can't have kids, but boyfriend wants kids and doesn't really want to adopt. I want to be able to have children for him, but also want him to respect me.