Help ttc

Im trying to get pregnant i been ttc 1 year and half i try pressed, maca root ,fertily blend, geritol,ovulation kit and i ovulate i go to the doctors the check my progesterone & estrogen and everything is normal i baby dance on my fertile week but no luck yet im thinking maybe my progesterone go lower when i ovulate how can i increase or any of u try another think that u think will help me im depressed its not easy keep trying with no luck i have a chemical too since that i cant get pregnant any suggestions will be appreciate