Gender Prediction Calculator 'link' -

: Researchers from the University of Michigan analyzed 2.8 million births and found that the Chinese lunar calendar was only accurate about 50% of the time—the same as flipping a coin.

: A common old wives' tale suggests that if a baby’s heart rate is over 140 beats per minute (bpm), it’s a girl, while under 140 bpm indicates a boy. Scientific Accuracy vs. Folklore gender prediction calculator

: Similar to the Chinese chart, this ancient method focuses on numbers. It compares the mother's age at conception and the year of conception; if both are even or both are odd, it predicts a girl. : Researchers from the University of Michigan analyzed 2