They work! Mare Foaling Predictor Kit Refill Test Strips
Posted By: E. Siler (Wichita, KS) Apr 24, 2013
I've used these test strips for the last 4 years and they have accurately predicted iminent foaling every time. Talk about saving lost sleep! I'm sure there are instances where they are wrong, as nothing if fool proof, but so far, they have been 100% for me.