Frustrated w/ ttc

I was told 8 years ago that I would never have children of my own. Last year I changed doctors and they were going over my records and couldn't find any test results or blood work. The new doctor did the tests and said other than a small cysts everything was perfect. I never believed my original doctor so we have always had unprotected sex in hopes of getting pregnant. Now though, I am starting to wonder if the new doctor just told me what I wanted to hear because I am still not pregnant with all the bbt and cm checks, perfectly timed intercourse. Now I am on night shift and it's getting hard to chart bbt and have time with my SO. Any suggestions?