Not sure if this a pregnancy sign

Taviaaa

My nipples and boobs been sore for about some weeks now which I took a test snd it came back negative but everytime I get up from out my sleep my boobs be sore they hurt so bad so I went to the doctor today and they running a UPC on my to test my urine could that mean I might end up being pregnant which my cycle doesn’t come until April 12th or April 13th which most times my breast do hurt when it’s close to my cycle but this crazy for it to be sore when my cycle not even close