Accuracy & Science
Chinese Gender Chart vs. Mayan Gender Predictor: Which Should You Trust?
A fair, fun comparison of the two most popular folklore gender predictors — their methods, their claimed accuracy, and how they differ.
The Baby Gender Blog
Charts, lunar math, old wives' tales and everything else worth knowing while you guess blue or pink.
A fair, fun comparison of the two most popular folklore gender predictors — their methods, their claimed accuracy, and how they differ.
We review the claims behind “70–93% accuracy,” what real studies show, and why confirmation bias keeps the legend alive. Honest numbers, no hype.
The lunar age formula behind the Chinese gender chart, why it adds one or two years, and worked examples — plus an instant calculator.
The complete 2026 Chinese gender calendar: exact chart, how lunar conversion works this year, real accuracy, and every way to read it — in five minutes.