I am currently 18 and I have never experienced tender breasts as one of my PMS symptoms. According to my period calculator, I am due for period on the 11th of May. I just ended my period on the 4th of April. Recently, I was engaging in some sexual activities with my boyfriend, specifically on the 23rd and 24th April. We kissed and were on top of each other, grinding/humping. We were both fully clothed. I gave him a blowjob afterwards and was touching his penis. It was not wet at all and I asked him too if he ejaculated and he said no. I also did not touch my vagina after that. I am just confused and worried if my breasts are aching because I am pregnant or if it is just some sort of hormonal change. What do you think?