Pregnant women are not recommended to eat marinated duck feet during pregnancy. Marinated duck feet after brining, which contains a variety of additives and a certain amount of salt, but also contains many brine, such as pepper, cinnamon, pepper, etc., long-term consumption is not conducive to good health, the specific hazards are as follows: 1, most of the marinated duck feet are not particularly fresh, easy to lead to indigestion, or even diarrhea, affecting the health of mothers and babies; 2, the marinated duck feet contain a lot of salt, pregnant women in the increase in blood volume during pregnancy, the burden of water increases. If eating too salty food is easy to increase water and sodium retention, increase the burden on the kidneys, if you suffer from hyperemesis gravidarum should be careful to eat; 3, marinated duck feet contain a lot of spices, such as star anise, cinnamon, fennel, five spices, chili pepper, etc., has a stimulating nature, may trigger abnormal fetal movement, serious cases resulting in preterm labor; 4, marinated duck feet contain a lot of monosodium glutamate (MSG), if a pregnant woman consumes too much, in the excretion of zinc will be carried in the body, resulting in the lack of zinc in the body. Lead to zinc deficiency in the body. At the same time, zinc is the main bone and brain development of trace elements, will affect fetal development; 5, marinated duck feet contain nitrite, nitrite is absorbed by the human body will make the hemoglobin lose the ability to transport oxygen, serious triggered by fetal asphyxiation in utero death.