 [ Symptoms ] why do my breast nipples stay hard and sore i am 19 years old my nipples have been quite constantly hard and also quite sore to the touch but there is no discharge i am also a few days late on my period i took a pregnancy test but it showed up negative i am not sure if this matter but i am currently taking medication for bacterial vaginitis  what should be my next steps [ Disease ] hi see your doctor and get a hormone test done y6opu may find its to do with your hormones they could be out of whack good luck