question: Hello Madam/Sir,   I am 30 yrs & my wife is 26 yrs. She had her menstruation on 2nd of June’13 (with a normal tenure 27-28 days & for 5 days). On 9th June, we had intercourse and though I am not sure yet my wife had taken ‘Unwanted 72’ pill after 6 hrs, After that she had her menstruation on 20th June for three days (in 19 days gap). We supposed that her next menstruation will be on 2nd of July’13 (as it was her normal date).But it was missed. We wait till 21 July’13. Till now her menstruation is not occurring. Now we can’t understand the reason.    1). We can’t understand, on 20thJune’13 when she had got her menstruation on 19 days gap, whether it is her menstruation or only bleeding as a side effect of taking the pill?  2). Should we wait for 2/3 days more?  3). Should we go for pregnancy test?   4). If it is, what is the convenient time for test?  5). If pregnant, is there any process to terminate this by taking medicine only?  6). If it is, between how many days, we can do it?  7). As we intercourse just after completion of her menstruation cycle, how far it is safe to not be pregnant?   Note: - On her menstruation, her physical condition is ok. There is no side effect like, abdomen pain or any thing.  (If you need any other information regarding the physical condition of my wife, plz tell me).