Depression

I’ve had a ectopic tubal ligation 4 years ago and been hard to conceive since it’s hurtful and frustrating I need answers the doctors said I’m fine he’s fine so what can it be I’m grateful for the 3 children we have 2 natural last c-section we are ready to have 1 or 2 more if God is willing b4 we are 35 😩 please anyone going through this or has results from this same situation please comment