Scientifically validated algorithms based on medical guidelines
Evidence-Based Health Calculators
Validated medical algorithms with transparent explanations so you understand the science behind every result.
Ovulation & Fertility Window Calculator
Estimates ovulation on cycle day (length − 14) using Naegele's method.
TryHerCare calculators are for informational purposes only and do not constitute medical advice. Always consult a qualified healthcare professional for personalised guidance.