Waiting????

Sometimes I wonder when/if we will ever get pg. I mean-I know one day we will have a baby-one way or another we will have a baby-just how. After reading a lot of info on a few medical websites I wonder if its time for Mike to get a SA done. He had some "issues when he was born-mainly due to him being a premie-born 6 weeks early-and weighing 3 pounds. And the more I've researched it-one of the sideeffects is low sperm count and infertility. That would explain a lot-so when should we do it. His dr. doesn't seem to think its an issue-mainly because his other testicle should take over producing sperm etc. But thats not always the case. So I'm at a loss for what to do now. Wait or find a different dr. who will do a SA??? I HATE IF!!