I have a history of very irregular periods, so I understand that this may just be another instance of that, but given that I am feeling quite anxious, and that for the past few months, my periods have been fairly regular, I thought I would just reach out and ask. It has been about 47 days since my last period began. Approximately 1 month ago, I was with my boyfriend and he fingered me after touching his genitals. I'm unsure whether any pre-ejaculate or ejaculate was present. Two weeks after this occurred, I took a pregnancy test which was negative. I had another negative test 2.5 weeks after the incident happened. Finally, I took a third pregnancy test about 3.5 weeks after he fingered me. It was also negative. My breasts have been feeling pretty sore for around a week, and I also am noticing that I have some gas. Is it reasonable to say with certainty now that I am not pregnant? Should I take another test? In general, is this safe activity to engage in? I have been feeling anxious about this, and also have moved from college back home for the summer, which could have something to do with the late period?