Is pregnancy possible?? (I know it’s alot to read)

[Knc1234]

Okay so i had a period on September 30. I didn’t get my period in October but I wasn’t worried scene i am on the pill and me and my boyfriend use condoms every time. I didn’t get a period again in November and started to freak out. About 2-3 weeks ago i took and emergency contraceptive pill bc my boyfriend wanted me to even though we used and condom and i take my pills. However for about a week i have had sore breast, nauseous ( no puking though), cramps, extremely tired. I took a pregnancy test 2 days after i took the EC pills and it was negative at first but the next morning i looked again and it had the faintest grey very very light gray line. I looked it up and many people said blue line test were known for evap lines. So 2 days later i took a first response pink line, completely negative, even the next morning. I took ANOTHER one 2 days after that and it was also completely negative. But i still have all of these weird symptoms. However back in September i had all of these weird pregnancy symptoms too and freak out but my period came right on time, and AF hasn’t come back since. I asked planned parenthood and they seem to think it is normal side effects of my birth control.