The calculators and articles on DueNest are for general information only and are not medical advice.
Last updated: October 2, 2026
Our content is not a substitute for advice, diagnosis or treatment from a qualified doctor, midwife or other health professional. Always ask your healthcare provider about any questions you have about a medical condition, your pregnancy or your baby. Never ignore professional advice or delay seeking it because of something you read on this site.
Results such as due dates, ovulation dates and growth percentiles are estimates based on standard formulas and average values. Your own situation may differ. Your doctor may use other information, such as an ultrasound scan, to give a different date or assessment.
Fertility and ovulation calculators must not be used as a method of contraception.
If you think you or your baby may have a medical emergency, call your local emergency number or go to the nearest emergency department straight away.
We work to keep our content accurate and up to date, and every page is based on published medical guidance (see our editorial policy). However, medical knowledge changes and we cannot guarantee that all content is complete or current.
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