Curious if I am pmsing, could be pregnant

Patient: I had my period about two weeks ago, me and my boyfriend only use the pull out method when having sex. I am not due for my next period for another 11 days. My breasts started hurting within the past 2 days , but for the past week or so I’ve been extremely tired , have headaches , and pain in my knee. Could I be pregnant?

Symptoms: Sore breasts, pain in knee, headache, extra tired