hi iam 23 years and i met with my bf after 4 days of completion of my regular periods,and its my first time i met,i dint had a complete sex,but i was tensed so he gave me a pill with in 72 hrs,after 5 days i saw a bleeding of 4 days ,when can i expect my regular periods 19th jan is my calculated regular period,is there any digestion problem due to this pill?