is there any mommys out there dealing with ppd?

i almost got divorced，but finally everything goes well.my problem is after i had my baby i already have a little ppd,but doctor didnt tell me if i have it cant take bc pill,i did ,so getting worse,i stop the bc pill and take sertraline for ppd,i feel better after 2 weeks ,but doctor still want i take half a year,so i take every other day now.