Late for idk how long

Jemma • Hi
My period was supposed to come on the 28th i have a semi normal its eiyher before or that date... well its the 10th now and nothing... i qouted it being feb. A short month but 5 days ago i tooke a test and got negative..... so i figured i wouldnt think about it its just late"i cried a little stop hope builder" but again miss flo atill hasent paid a visit qhat do you think?