Actually to take 35-40 tbs for postponement of periods is not advisable.One should always cosult a doctor before taking harmones.
The good thing is you got withdrawal after that. But there are two possibilities now-
You might have conceived in following cycle. Pl. get serrum pregnancy
test done to confirm or exclude pregnancy.
There is disturbence in your menstrual cycle If preg is excluded, pl. wait for the mences to come & after that ,take treatment to regularise the cycle.