Will I Get My Period After Taking Duphaston?

hi Im aby, I used cervical mucus method my last period was Feb. 19 to 25 so my period this march should come march 18 because I have 28 days cycle but until now nothing Im worried. my bf used me last march 10. NEGATIVE is my pregnancy test but the Dr. gave me Duphaston is there any chance to arrive my period? thanks...