Description
Predict your fertile days with the Knaus-Ogino method and back up data to a memory card. Note: Don’t rely solely on this for birth control—more accurate methods like basal body temperature tracking are recommended.
CWYZCWYZPredict your fertile days with the Knaus-Ogino method and back up data to a memory card. Note: Don’t rely solely on this for birth control—more accurate methods like basal body temperature tracking are recommended.