Anybody ever use an Opk as pregnancy test before???t

Samantha • Ttc #1 will be married for year in Feb I just wanna be mommy so that I can be stay at home mommy just like house wife: ) I do have 4 legged daughter Annabelle
I'm 12 DPO my period was suppose to start today my temperature has went back up this is positive ovulation kit I don't think it suppose be like this but I read that u can use it to dect pregnancy anybody heard about it baby dust to u: ) hope this the month take test next week to be sure