The claim
「Eating crab causes miscarriage」
Verdict
MythNo evidence links cooked crab to miscarriage. The real seafood rules in pregnancy are avoiding raw/undercooked items and high-mercury fish — well-cooked low-mercury seafood is beneficial.
Sources
FDA · U.S. Food and Drug Administration
U.S. Food and Drug Administration. (2018/09/27). Meat, poultry & seafood (Food safety for moms-to-be). https://www.fda.gov/food/people-risk-foodborne-illness/meat-poultry-seafood-food-safety-moms-be
Direct source · Government / official agency · checked 2026-08-02
FDA · U.S. Food and Drug Administration
U.S. Food and Drug Administration. (2024/03/05). Advice about eating fish. https://www.fda.gov/food/consumers/advice-about-eating-fish
Direct source · Government / official agency · checked 2026-08-02