76% EFFECTIVE WITH TYPICAL USE
BENEFITS
- The sympto-thermal method is 99.6% effective with perfect use, but other natural family planning methods are not as effective.
- 76% effective with typical use
- Ovulation is detected via observation of cervical mucus, body temperature, and position of cervix
- Inexpensive and natural
- Requires diligence, strict compliance, and periodic abstinence
- May not be suitable for women with erratic/ irregular menstrual cycles