My name is Barbz, l need advice.

I have been in this relationship for 4years now I have tried all I can to have a child but all in vain.

I did all the medical check ups and all shows am ok as in my fallopian tube is okay , my eggs are normal, I don’t have hormonal imbalance my uterus is clear and my guy did a test of his sperm and they are okay to make me pregnant .

l’m starting to think it’s witch craft I have prayed and fasted but all in vain
if there’s anyone who has ever been in my situation how did you over come it ?

What can I do because I’m stuck .! Could it be that me and my man are not compatible and are not to be together?

Should l quit the relationship?