Hello doctor.. we had sex on 5 Dec. I had just inserted only a inch of my penis in her vagina n i released the semen (i withdraw my.. n most of the semen released outside the body..only just a few was released inside her). Her period date is on 13 of month, her cycle is of 30 days. She got very little pain (pain frequncy was 5-7 times a day) before 3-5 days of her periods but ... now after 13 Dec, She didnot get periods..but yes pain is on..we are very tensed...for what to do.. she also taken the pregaNews on 15Dec. but the test was negatv. she didnt use the pee aftr mornng.. She delaying her period due to tension or what..bcoz..in between 25nov to 5dec we hav had our xams...so may b she was tnsd in between this period so she is gettng delaying her periods.. ? we are thinking to use MTP kit ? is it safe..her age is 18. we are hesitating to go to doc as our society n all.. plz help me...ASAP..