Back and forth BF

Maddy
My BF and I have talked about trying again since I had my miscarriage about 10 months ago. He agreed and we started trying without luck. He went to jail for 6 months and just got back and(I know TMI) now he has been pulling out almost every time we have sex and I asked him about it and he really didn't have an answer. I worry maybe he is giving up on a child.