Hi I was wondering could I be pregnant or have a std last month my period came on time which I always call my mother to check an see if hers came on than at the end of the month she call an ask if my period came on I told her no now this month my period supposed to came on the third which it came on the six but went from that Saturday which was the seven and tuesday I woke up wet I know it's not a yeast I believe because it's clear an also I having the same problem to night I have taken four test an all four came back negative my lower back hurts sometimes my stomach hurts when I lay on it can you please give me a answer