Suggest Treatment To Induce A Menstrual Period

hi sir, my last date of periods was 25th last month but i didnt have it till now from last 4 days i am taking primolut nor 10mg prescribed by some medicos person he told me that after having these tablets regular 5 days i will have my periods on the 6th day.. is it correct sir bcoz 2day is the fifth day and i m not having chances that i will hv it tommorrow... pls pls pls help... idont want child right now,,, suggest me any other tablet... i will be gratefull 2 u... thanks