as you undergoing treatment for pregnancy
with ovulation induction
drugs and progesterone
if you had intercourse on the ovulatory days then there is possibility for pregnancy that may be cause for your delayed periods,
or that may be due to your hormonal imbalance,
so you go for blood test
for pregnancy once, if positive it is good,
if negative you can go for insulin sensitizing drugs along with regualr treatment with your doctor's advice.