Basal Digital Thermometer

Professional highly accurate digital thermometer reads to 2 decimal places + FREE FERTILITY PLAN CHART with every order.

How does a basal digital thermometer help?
Basically there is a slight temperature drop just before ovulation occurs and then a distinct temperature rise of about 0.40 to 1.0 degrees Fahrenheit after ovulation takes place. By plotting your temperature change during your cycle you will know when you have ovulated.