On 5th may, my boyfriend rubbed his penis on the entrance of my vaginal opening there was no penetration and no ejaculation, I was wet, I am not sure if he had pre cum, on 20th may I got my periods it lasted for 4 days, and on 5th day there was very light to no flow, usually my periods last for 5 days, now it's 21st june and I still haven't got my periods, there is an increase in my appetite, I get hungry and night and I have also gained 2 kgs of weight, can I get pregnant from this incident, my last period was on 20 may, it's 21 june, and I have wet discharge.