Thinking i may be preggi but also thinking i might be over thinking it

Okay so i had sex with my bf on cycle day 14 in which we never use protection and he didnt use the withdrawl method that night bout a day or 2 after i felt nasues i was cramping down in my utuerus and ovary area plus when i walked i had a sharp pain in the lower half of my side around my ovary area. I also have been very emotional wanting to cry because my kfc was wrong then turned around and got mad not even a couple minutes later. My face is broke out more than normal also i usually always get my period right after my sister and her period has been done for bout 4 or 5 days now. My boobs also are tender and have grown a good bit to where not only i and my bf can notice other ppl have to