I need more insight on my situation

Patient: I have question about sex. I and my boyfriend both wore clothes together. We were on the same bed and we just started kissing and i was on top of me. And i touched his dick but i did not feel any liquid. I dont know if i could be pregnant. I am scared. My period started on the 1st of January and ended around 8th. Although, in december i did not see my period because i had an infection so it came late on the 1st. And then noow i have not seen my period. I have been seeing the normal substance that comes before period

Symptoms: Nausea,

Doctor: