Your Cycle, Charting & Hormone Hub

TL;DR: Fertility charting does not pinpoint the exact day of ovulation. Instead, it identifies a fertile window and confirms when ovulation has occurred, which is far more useful for both trying to conceive and avoiding pregnancy. A common misconception about fertility charting is that it should tell you the exact day ovulation occurred. In reality, charting is not designed to pinpoint a single ovulation day. Instead, it helps identify a fertile window and confirm that ovulat