my last pe riod date was 15th aug. I will get my periods 2-3 days before all the time. this time my periods date is 14 sep but I have to go to temple on 14 sep. as per doctor guidelines I have to start period postponing tablet name regulate 5 mg morning and evening from tomorrow. but I am having stomach ache from past 4 days. so if I start regulate tablet will my periods get postponed or not.has anyone tried this tablet.