Microlife Digital Basal Thermometer – 1/100th Degree Accuracy, Ovulation Tracking, 6-Month Chart Included The Microlife Digital Basal Thermometer is designed specifically for basal body temperature (BBT) monitoring to support ovulation prediction, natural family planning, and conception tracking. Clinically proven to measure temperature to the 1/100th degree in either Fahrenheit or Celsius, it provides the precision required for reliable BBT charting. A 6-month ovulation chart is included in the box, along with probe covers and a premium hard case for organized daily use. Clinically proven accuracy to 1/100th of a degree — essential for reliable BBT tracking Designed for ovulation prediction and natural family planning Switchable Fahrenheit and Celsius display Includes a 6-month ovulation tracking chart Comes with premium hard case and probe covers for daily use Precision BBT Monitoring: Basal body temperature tracking requires a higher degree of measurement precision than standard thermometers can provide. The Microlife Basal Thermometer is calibrated to detect the subtle 0.2–0.5°F temperature shift that occurs at ovulation, making it a clinically reliable tool for those tracking their cycle for conception or natural contraception. The included 6-month chart provides a straightforward way to record and visualize monthly temperature trends without additional apps or devices. What's Included: Microlife Digital Basal Thermometer, Premium Hard Case, Battery, 5 Probe Covers, 6-Month Ovulation Chart, Bilingual Instructional Booklet (English/Spanish)