My hormone levels are fine!

So I am a little confused. Last week I went to see my doc for results on a hormone level test he said he did on me. He also did ultrasound to check that everything was fine. So he said that if the test was at “1” then he would have to refer me to an infertility specialist. Well the results were great according to him and said that I was at a 3 meaning I can get pregnant on my own. I didn’t ask any more questions tbh but now I am wondering what he meant by a 1 and a 3. What hormone did he test? I just want to make sure everything is covered and I don’t need any other tests. I had two miscarriages back to back and I already have a little one.