Pregnancy myth that makes no sense

The worst that I ever heard was all dealing with food! 1. MUTTON: If you eat mutton your child will be epileptic because epilepsy and seizures in mandarin is literally "mad goat" 2: CRABS AND SHELLFISH: if you eat crabs or multi legged crustacean your child will be hyperactive as these have multiple limbs and a Chinese idiom describes an a hyper individual as "many hands many legs"