I'm sorry. It's so frustrating when you and DH aren't on the same page. A lot of times, when I want DH to come around to my point of view on a topic, I will have a conversation with him, where I'll say, "You don't need to say anything here, I just want to tell you some things I've been worrying about, then you can think about it for a few days before we talk about it again." Nine times out of ten, giving him that time and space to think makes it so much easier for us to talk about things and come to a decision.
And I totally agree with the other ladies about guys really feeling the pressure of TTC and also feeling the worry of us getting hurt. So maybe if you approach it like you will monitor your cycles on your own without getting him involved, and then all he has to do is be willing to DTD more often?
It's tough. I hope you guys can come to a compromise soon. It's no fun to be fighting with DH