We had sex on 12 th april 17 and taken unwanted72 within 5 hours..after 30 hours of unwanted 72 tablet.. vometing and dizziness happend.... her periods date was 26 th march to 31 march in last month and its regular (28 days cycle).. so now from 22 april she has started paining in lower stomuch and the pain is same like periods pain but no bleeding happen.and todays date is 26th april.. so when periods will come.. coz its already 14 days after taking unwanted 72.