Store at 36° - 86°F (2°-30°C). Do not freeze. For in vitro diagnostic use. Not for internal use. Keep out of the reach of children. Read instructions before use. Certain medications or medical conditions, including but not limited to Polycystic Ovarian Syndrome (PCOS), may affect the reliability of this test for predicting ovulation. For details see the enclosed instruction insert or visit our website. www.clearblueeasy.com.