Should I Take A Pregnancy Test Or Wait Longer When I M A PCOS Patient Who Stopped Progyluton 4 Days Ago?

Hi, last month I started taking tab progylutone and take about 13started tablets.....after my check up my doctor gave me SERUM PROGESTERONE test which result is 56.3 ....then my doctor stop progylutone tab ....from last 4 days I m not taking that tablet ....but my periods not come .......I m pcos patient to and last month do ivf injections course ......my last period date was April 12.... What should I do ....???? M confuse ......do I test from stick but my period date is 12 ....