Originally Posted by
Erin514
Anyone else have this problem? I didn't use them when TTC my first two kids, but I'd like to try one attempt at OPK once I reach 12 weeks on the diet. I've been trying OPKs for the past couple of months to get familiar with my O dates and I've never had a positive. I've even tried testing twice a day from CD10 (in a 30-day cycle), but still nothing. Not even a faint line (I only see the control).
I'm using Wondfo cheapies according to the instructions. Is it possible they just don't work for me?