I indulged in sexual activity on 4th Feb 2017 and in which there was no penetration,my boyfriend touched my vagina for few seconds and safety purpose I took ipill in 72hours n I had some bleeding on 12th February 2017 for 4days and my period date was 16 February 2017 and last period date was 16/1/2017 .I took pregnancy test on 23 February afternoon which was negative and again on 25th February afternoon which was also negative.when will I get my period and what does it all means? Should I need to do more pregnancy test? What should I do?Any medicine or treatment for regulating period?