Avoiding Pregnancy in the Fertile Window

Fertility Intentions Scale
A communications tool for sexually active couples. This explains the numbers you see in the FAMBC group (for example TTA2).

Alternative Protected Sex
‘Sex’ is not limited to penis-in-vagina intercourse. You can enjoy many of the pleasures of sex, without having to wear barriers or risk pregnancy, so long as the guidelines in this article are followed.

Withdrawal for Birth Control
How to practice perfect withdrawal to achieve the estimated 96% efficacy.

Birth Control Efficacy Rates
Find out how effective your chosen birth control method is.

Ovulation & Conception Statistics
When is ovulation relative to temperature shift, and when is conception relative to temperature shift, peak day and ovulation day.