why is it hard to become pregnant?

I've been doing a lot taking people Advice they've told me to do things that well make it easy and it makes me sad that I've tried almost a lot of things that i cant get pregnant all is that now I may have to go to the doctor but I've checked my last appointment that I'm good but maybe I cant be a mother maybe it's not a good time to be come one right now I think, oh well 😞😔 this wood be my last time posting up this goodbye glow til next time