AF didn't start today ?

Last month in February my period was   From the 9th to the 15th my cycle runs anywhere from 28-32 days I've been cramping near my hips and lower back I had my first and only depo shot last May and it ended in July I had regular periods the following august could I be pregnant I have been trying for 6 months.. I checked my cervix yesterday and today I can barley reach it