Is There A Possibility Of Pregnancy?

my regular period on the 16th day of the month but this march my period came so early which is on 8th and last for almost 10 days..i consult it to my OB she told me that i'm having a hormonal imbalance due using pills for how many years that cause the thickening of my uterus she advice me to take duphaston for 1o days. my question is is there a posibility that i am pregnant? march 2 is our last intercourse of my husband..your answer will help me..thanks