On a regular 26-33 day cycle for past 6 months. If one has had unprotected sexual act on the 5th day of period. Though there was no penetration. But there was ejaculation on the butt region outside. Soon it was washed with water. And an I pill was taken within 18 hrs after this act. This act took place in november 2015. There was bleeding for 2 days after 6 days from the I pill intake. With slight abdomen pain. N. Dizziness. Then in december got period for 4 days after 33 days from november period. And also in january got period for 4 days. Within a 30 day gap from december period. But in february 2016. Got period within 30 days gap. But only for 1 day. In december and january there was dizziness during the ovulation tym. In the meanwhile had taken 8 hpt with preganews. All morning samples. And all came negative. And also 2 beta hcg blood test was taken. First on 42 days from the sexual act of november and second on 63 days from sexual act of november. Both of which came <1 miu /ml. Also on 73 days from the sexual act. A pelvic sonography was taken. Which showed uterus is anteverted. Empty and measures 8.9cm*4.7cm*3.6cm. The problem now is I am sensitized to some peculiar type of smell. And also there is problem of some pain near my belly button. Also I find that my lower abdomen is slightly bulging. Though very soft. And can be pressed very easily. And my breast colour is also dark. So what is all these happening. Am I pregnant. Or the pregnancy is not there. please help me. As I do not want to get pregnant now. Also the november act was the first and last time I had any sexual act. please help me soon.