Can a Calendar Predict Your Child's Sex?

When I was pregnant, I let my husband convince me to keep the baby’s sex a surprise. But that didn’t keep me from trying everything possible to get a clue -- short of bribing the ultrasound technician to tell me in secret. Enter the Chinese Gender Predictor, which said, “Boy.”

The Chinese Gender Predictor (which varies slightly depending on the source) is consulted by pregnant women across the globe. Some say it’s based on a lunar calendar that was buried in a Beijing tomb for 700 years. There are also claims that it’s more than 90% accurate.

But those claims may have just been debunked: Researchers at the University of Michigan, who tracked more than 2.8 million Swedish births over 34 years, found that the ancient chart “is no better to predict the sex of the baby than tossing a coin,” say the authors. Yup, it was correct only 50 percent of the time.

For my family, the chart’s prediction was actually right (and my husband’s was wrong—he was so convinced we were having a girl, he wore a pink shirt to the hospital on the day our son was born). But I chalk it up to coincidence. So, go ahead and check out the chart for fun, but definitely stick to gender neutral baby gear until you find out for sure.

Already know your baby’s sex? Did the chart work for you? Chime in below!

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