Hi..i M 22 Year Old. Wanted To Know How Can

Hi..i m 22 year old. Wanted to know how can i prepone my periods? I had my last period on 10th of April. I usually have my periods 4-5 days before the date. I wanted to prepone it so what is the medicine that could help me prepone my period? And is there any harmfull side effect for the same? Plz lemme know soon