Pregnant women are not recommended to eat marinated duck claws during pregnancy. Marinated duck claws after brining, which contains a variety of additives and a certain amount of salt, but also contains many marinades, such as pepper, cinnamon, pepper, etc., long-term consumption is not conducive to health, the specific hazards are as follows: 1, most marinated duck claws are not particularly fresh, easy to cause indigestion, and even diarrhea, affecting the health of mothers and infants; 2, marinated duck claws contain more salt, pregnant women in pregnancy, increased blood volume, increased water burden. If you eat too salty food is likely to increase water and sodium retention, increasing the burden on the kidneys, if suffering from hyperemesis should be careful to eat; 3, brined duck claws contain a lot of spices, such as star anise, cinnamon, fennel, five spice powder, chili pepper, etc., with irritation, may cause abnormal fetal movement, serious fetal premature birth; 4, brined duck claws contain a lot of MSG, if pregnant women consume too much, in the excretion will carry a large number of zinc elements in the body, resulting in body zinc deficiency. The result is a lack of zinc in the body. At the same time, zinc is the main trace element of bone and brain development, will affect the fetal development; 5, marinated duck claw contains nitrite, nitrite is absorbed by the body will make the hemoglobin lose the ability to transport oxygen, serious fetal asphyxiation in utero death.