How fast did u conceive after BC pills?

LaTasha

I'm 38yrs old my DH is 34 I have 2 grown adult kids, he has none so desperate to have 1, had 2 MC a year ago. gave my body some rest worked on my health now starting over. So My AF was off, Doctor put me on BC for 3 months to regulate my AF did it help you with Fertility? How fast?