Understanding the fertile window is crucial for women looking to avoid or achieve pregnancy. Most women ovulate around day 14 of a 28-day cycle, with a ten-day fertile window encompassing five days before and after ovulation. Tools like The Daisy can assist in tracking fertility without hormones, making it a valuable resource for both prevention and conception. Many women seeking help also face challenges related to metabolism and hormonal imbalances stemming from past dieting practices.