Chinese Gender Predictor

How old were you when you conceived?

When did you conceive?

What is the Chinese gender predictor?

This fun tool is based on ancient Chinese astrological tradition. Some say that the original Chinese gender predictor chart was found in a tomb near Beijing more than 700 years ago. Others believe that it has its roots in the traditional prediction methods of the I Ching.

Whatever the truth, it's safe to say that an air of mysticism has helped make this one of the most popular ways for expecting parents to try to guess if they're having a girl or a boy.

How accurate is the Chinese gender predictor?

Although some astrologists claim that the chart is up to 90 per cent accurate, the truth is that it's more like 50 per cent. So it's about as accurate as tossing a coin and saying "heads for a girl, tails for a boy!"

It guesses baby’s sex by taking the mom's birth date and the estimated date of conception, then converting those into lunar dates. (Don't worry if you don't know about Chinese astrology, as our tool will work it out for you!).

The most reliable way to find out your baby's sex is with an ultrasound scan. For most women, this will be the anomaly scan, which is offered between 18 and 21 weeks of pregnancy.

It's usually possible to tell a baby's sex fairly accurately at the anomaly scan, though it depends on how your little one's lying and moving about during the scan.

If you're just having fun trying to guess, there are plenty of other old wives' tales that claim to give you a sneak preview.

BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. When creating and updating content, we rely on credible sources: respected health organisations, professional groups of doctors and other experts, and published studies in peer-reviewed journals. We believe you should always know the source of the information you're seeing. Learn more about our editorial and medical review policies.

John’s Hopkins Medicine. 2021. Old Wives Tales: Rooted in Oral Traditions https://www.hopkinsallchildrens.org/Patients-Families/Health-Library/HealthDocNew/Old-Wives-TalesOpens a new window

Villamor E, Dekker L et a. 2010. Paediatric Prinatal Epidemiology. Accuracy of the Chinese lunar calendar method to predict a baby’s sex: a population-based study. 1;24(4):398-400 https://pubmed.ncbi.nlm.nih.gov/20618730/Opens a new window

Kerry Brind
Kerry Brind is a Senior Editor at BabyCentre, and has over 20 years experience as a women’s health copywriter and editor.
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