Will Deviry Induce A Menstrual Period?

Hello doctor,
I am due for my periods by 22nd. We had unprotected sex on 17th. I missed my period. Today 25th (third day from missed period), i did pregnancy test and it showed negative. also i am taking deviry 10 ms two per day. Is there any chance for megetting pregnant, will deviry will induce my periods, should i continue with more doses. I am really tensed. pls advice.

Thanks.