is characterised by lac of ovulation, causing irregular periods
.The drugs you were taking were just giving you withdrawal bleeding.For conception one needs to have a period with ovulation.
You are married & planning for pregnancy
I would advice you to get your pelvic ultrasound
scan for PCOD.
assessment would make the picture clear for management .
PCOD can be treated medically after the investigations/ some times surgical intervention may be needed.
Wish you all the best.