i have taken unwanted 72 on saturday at 5 pm,though it was a protected sex,due to extra safety i have taken that,now for the past 2 days i am suffering from huge lower abdominal pain ,i have vommited twice in the meantime,is there any thing wrong or it is common in women?how long does the pain remains?i am worried,i dont want my parents to know about this fact.....pls help pls