Hlo Doctr ,my Periods Is Late For 16 Days N

Hlo doctr ,my periods is late for 16 days n i hv too much egg white discharge n d tests are negetive ,. .so 5 days before my doctor advised me to take deviry 10mg tablet (2 tablets daily for 5 days) .. so can you please tell me in how many days i will get my period or m i pregnant ?plz help me