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FertileWindow
From the first day of your last period and your typical cycle length — your estimated ovulation day and 6-day fertile window.
Ovulation usually happens ~14 days before the next period starts (not after the last one). The fertile window covers the 5 days before ovulation plus the day of, since sperm survive ~5 days.
Daily energy expenditure with personalised macro splits.
OpenBody mass index with healthy-range guidance.
OpenUS Navy circumference method for body fat percentage.
OpenDaily hydration target based on weight, activity, and climate.
Open