First of all, the nutrients of crabs themselves will not cause fetal malformation. However, parasites such as paragonimiasis are easily left in crabs. If the crabs eaten by pregnant women are not completely cooked, they are likely to be infected with paragonimiasis. Pregnant women infected with paragonimiasis need medication, and the process of medication may lead to fetal malformation.

2 what should pregnant women do if they eat uncooked crabs? Some pregnant women can go to the hospital for pathogen diagnosis because of negligence, check whether they are infected with paragonimiasis, and observe whether pregnant women have unwell symptoms, and regularly go to the hospital for fetal abnormality examination.

3 Other hazards of eating crabs by pregnant women 1. Crabs are cold and have the function of promoting blood circulation and removing blood stasis, especially crab claws, which have obvious abortion effect. Pregnant women may have bleeding and abortion after eating crabs.

2. Crabs are cold food. Excessive consumption will damage the spleen and stomach, and even have symptoms such as abdominal pain and diarrhea. Diarrhea in pregnant women will affect the absorption of nutrients, affect the growth of the fetus, and even cause miscarriage or premature delivery in severe cases.

3. The cholesterol content of crab yolk in crabs is very high. Excessive consumption of crabs by pregnant women will increase the cholesterol content of pregnant women's bile, which will easily lead to poor bile excretion and siltation. If bile flows back to the pancreatic duct, pancreatic enzymes will be activated in advance and pancreatitis will be induced. In particular, pregnant women with pregnancy-induced hypertension syndrome and gestational diabetes must be forbidden to eat crabs.

4 What should pregnant women pay attention to when eating crabs? If pregnant women really want to eat crabs, they can eat a little, but they must pay attention to the following matters:

1. It is best not to eat crabs in the first three months and the last three months of pregnancy, and eat less crabs in the second trimester, and don't eat crab feet.

2. Pregnant women must choose fresh crabs, and don't buy dead crabs. Crabs are high-protein foods, which are easy to deteriorate. Dead crabs decompose in protein, and bacteria multiply rapidly, which is harmful to the fetus and pregnant women.

3. Pregnant women must ensure that crabs are completely steamed. Both raw crabs and semi-cooked crabs may have parasites, so pregnant women cannot take risks.

4. When pregnant women eat crabs, it is best to dip in Jiang Mo vinegar juice to dispel cold and sterilize, and don't eat with celery, persimmon, pear, orange, pomegranate, tomato, cantaloupe, peanut, sweet potato, honey, rabbit meat and other foods.

If pregnant women accidentally eat too many crabs at one time and have symptoms such as nausea and vomiting, they should go to the hospital for medical treatment.