Find your 2 peak days. Identify your 2 most fertile days. No. 1 ovulation brand recommended by OB-GYNs (Data on file. Research into recommendation of Ovulation Test & Fertility Monitors with 204 US OB-Gyns (Kantar Health 2011)). 2 identify your most fertile days. 99% accurate (99% accurate in detecting the LH (luteinizing hormone) surge. Hormones are a more accurate predictor of ovulation than basal body temperature which only changes after ovulation). More accurate than temperature method. Maximize your chances of conceiving naturally. 1. Easy: Simply hold the tip downwards in your urine stream for 5 seconds. 2. Accurate: 99% accurate in detecting the LH (luteinizing hormone) surge. Hormones are a more accurate predictor of ovulation than basal body temperature which only changes after ovulation. 3. Natural: The test detects a hormonal surge (LH) in your urine, which occurs prior to ovulation. Make love at any time in the next 48 hours to maximize your chances of becoming pregnant naturally. For Clearblue Rapid Detection Pregnancy Test information see insert. English and Spanish instructions inside. Contents: 10 ovulation test sticks. 1 rapid detection pregnancy test and 1 English/Spanish insert. Easy ovulation kit. Read the enclosed instructions before use. English and Spanish instructions inside. Trying for a baby? There are only a few days each cycle when you can conceive. Identifying and having sex on these peak fertility days maximizes your chances of getting pregnant naturally. Know your body Detects the LH surge which occurs prior to ovulation to identify your peak fertile days. Have sex at any time during the next 48 hours to increase your chances of getting pregnant. 2 Accurate 199% accurate at detecting the LH surge. Hormones are a more accurate predictor of ovulation than Basal Body Temperature which only changes after ovulation.