Can Dicynone 500 Helps To Regularize Irregular Periods?

hai iam 35 years age on april 23 i got my period it stopped on 29th but again igot some blood from 8th may i went to dr and they told me take some pap test &ultra sound scan also and they gave me dicynone500 tablet and they told for one time 2tablets pls tell me why they gave the tablet to me what is happening in body pls clarifie thank you