Help please

My fiancé had gotten pregnant October of 2012 I had a miscarraige on Dec 30 2012 my Dr had told me to stay on birth control for a year I've been off birth control for 4months & my fiancé & I have been trying but lately nothing has happened my period was suppose to start today according to glow but the past 2mnths it's started on the 1st so should I wait to see if I have my period on the first & then take a test if I don't? Could I be pregnant?