5 out of 5 stars
This review is from Wondfo Combo 40 Ovulation and 10 Pregnancy Urine Test Strips
http://www.amazon.com/Wondfo-Combo-Ovulation-Pregnancy-Strips/dp/B001FYLNVU


This product is the best so far that I have found in measuring LH and HCG. It measured small amounts of hcg at 11 days past ovulation where no other one did.