20 Old Wives’ Tales About Baby Gender — The Full List, Debunked

Before the ultrasound, families relied on old wives’ tales to guess boy or girl. Here’s the full list of the twenty that refuse to die — plus what research says about each.

The myths (and the evidence)

1. Carrying low = boy. Belly shape depends on muscle tone and baby’s position — not sex.
2. Salty cravings = boy, sweet = girl. Craving studies find no link.
3. Severe morning sickness = girl. Slight statistical tilt toward girls with hyperemesis, but far too weak for prediction.
4. Faster fetal heart rate (>140) = girl. Reviewed thoroughly — no correlation after early pregnancy.
5. Glowing skin = boy, breakouts = girl (“daughters steal your beauty”). No evidence.
6. Ring test: circles = girl, pendulum swings = boy. Random motion, famously unreliable.
7. Left breast bigger = girl. Anecdote only.
8. Mood swings = girl. Hormones don’t discriminate by sex.
9. Dad isn’t gaining weight “sympathy pregnancy” = boy. Cute, untested, unknowable.
10. Cold feet = boy. Circulation, not chromosomes.
11. Dry hands = boy, soft hands = girl. Pure folklore.
12. Sleeping on your left side = girl. Position changes nightly.
13. Chinese chart = 50/50. Tested — chance.
14. Mayan parity = 50/50. By construction.
15. Heartburn = hairy baby (not sex, just fun). One small study did weakly correlate heartburn with newborn hair!
16. Morning sickness stops at 12 weeks exactly. Varies for everyone.
17. Curly hair line test on the belly = girl. Folklore.
18. First trimester blood draw “tells everything” (NIPT). Actually true — this one’s real medicine.
19. Baking soda fizz test. Home chemistry theater.
20. The “conception dreams” of snakes or fish. Charming, unverifiable.

Score yourself anyway

Want to tally them anyway? That’s half the fun. Take our Old Wives’ Tales Gender Quiz — 12 questions and a folkloric verdict in under two minutes. Pair it with the Chinese gender predictor and the Mayan predictor for a full folklore showdown.

The real takeaway: every one of these converges to chance. Only medical tests actually know — and the wait for the scan is where the magic of guessing lives. ✨