Chinese Gender Predictor 2025
Predict whether you're having a boy or a girl using the ancient Chinese gender chart, based on the mother's age and the month of conception. It's a fun centuries-old tradition — scroll down for the real, accurate ways to find out your baby's sex.
Just for fun! The Chinese gender chart has about a 50% success rate — the same as a coin flip. It cannot actually predict your baby's sex. The only reliable methods are ultrasound, the NIPT blood test, and genetic testing (explained below).
What Is the Chinese Gender Predictor?
The Chinese gender chart is a centuries-old tradition said to have been discovered in a royal tomb near Beijing. It claims to predict a baby's sex using just two pieces of information: the mother's age at conception and the month she conceived. The original chart is based on the Chinese lunar calendar, where a person's "lunar age" is counted from conception — making it roughly one year older than the Western age. This calculator adds that +1 by default so your result matches the traditional chart.
How to Read the Chart
The chart is a simple grid. Down the side are the mother's lunar ages (18 to 45) and across the top are the lunar months of conception (1 to 12). You find the row for your age, follow it across to the column for your conception month, and the box shows either "Boy" or "Girl". This calculator does that lookup for you instantly.
Does It Actually Work?
No. Despite its popularity, the Chinese gender chart has no scientific basis. A large study published in a peer-reviewed journal tested it against thousands of real births and found it was correct about 50% of the time — exactly what you'd expect from random guessing. Since every pregnancy has roughly a 50/50 chance of being a boy or girl anyway, the chart will always seem right half the time. Treat it as a bit of fun at a baby shower, not a real prediction.
When and How to Find Out for Real
If you genuinely want to know your baby's sex, the NIPT blood test can tell you from around 10 weeks with over 99% accuracy, and the 20-week anatomy ultrasound is the most common way most parents find out. Genetic tests like CVS and amniocentesis are extremely accurate but are only done when there's a medical reason. Always talk to your doctor or midwife — and remember that in some regions, clinics may not disclose sex for legal reasons.
Frequently Asked Questions
The Chinese gender chart is not scientifically accurate. Independent studies found it predicts a baby's sex correctly about 50% of the time — the same as flipping a coin. It's a fun tradition, not a medical tool. The only reliable ways to know are an ultrasound, a NIPT blood test, or genetic testing such as CVS or amniocentesis.
It uses two numbers: the mother's age at conception (traditionally her lunar age, roughly her Western age plus one) and the lunar month she conceived. You find the row for her age and the column for the conception month, and the cell shows Boy or Girl. The chart is said to have been found in a royal tomb near Beijing centuries ago.
A NIPT (non-invasive prenatal test) blood test can detect your baby's sex from about 10 weeks with over 99% accuracy by analysing the baby's DNA in the mother's blood. An ultrasound can usually show the sex from around 18-20 weeks at the anatomy scan, and sometimes as early as 14-16 weeks, though early scans are less reliable.
No. The popular myth says a heart rate above 140 bpm means a girl and below means a boy, but research shows no meaningful difference in fetal heart rate between boys and girls. Heart rate changes with the baby's age and activity, not its sex.
These are old wives' tales with no scientific basis. Carrying high or low, sweet versus salty cravings, and morning sickness severity are influenced by your body shape, muscle tone, the baby's position and your individual pregnancy — not by the baby's sex.