WARNING

AUTHOR'S NOTE - DO NOT USE THIS INFORMATION TO AVOID PREGNANCY IN REAL LIFE.

COUNTING DAYS IS THE WORST FORM OF BIRTH CONTROL. IT IS HIGHLY LIKELY TO FAIL.

Human bodies are incredibly variable. We aren't all average height or weight and we don't all have average cycles. This article is about AVERAGES only and how a character is most likely to get pregnant.

Rated PG13 for adult topics - this article contains frank discussions of female biology.