I am familiar with a superstitious belief that using a red thread with needle can indicate gender of human children. I think they even did some experimentation on Myth busters while the redhead was pregnant. It's as accurate as guessing 50/50. Egg shape also had nothing to do with the gender of the chick growing inside.
Also how do you know where the chickens got it on everytime?
Also how do you know where the chickens got it on everytime?
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