Opk testing for pregnancy?

Cometrius • Getting married in June i have two sons Zion who passed away while in labor back in 2004 and my Rainbow Baby Aiden who is almost 10.My future Husband has a son and daughter Pj and Zion,ready for #4
Ok so i havent seen anything since i spotted when AF was due took a test still Neg about a week ago ... So I seen on YouTube were ladies were using their ovulation test to test for preg and I got a Postive.Has any other ladies got a neg preg test bt positive opk and was pregnant???