Fainting in the 11th week of pregnancy is usually not harmful to the fetus if prompt and effective measures are taken and the fall is not to the abdomen. However, if you don’t take effective and timely measures and the fall is on the abdomen, it will be dangerous to the fetus. 1. No effect: If a pregnant woman falls due to transient hypoglycemia or low blood pressure, and the part of the fall is in the side-lying position or sitting position and does not affect the abdomen, and active and effective treatment is taken at this time, such as proper supplementation of sugar, proper rest, etc., then it will not affect the fetus, and the pregnancy can still be continued. 2. have an impact: pregnant women who fall due to epileptic seizures, or fall with the abdominal wall facing down, can cause placental abruption, fetal death and other serious situations, for which timely medical attention is needed. Pregnant women need to seek timely medical treatment after a fall, under the guidance of the doctor according to the part of the fall and the condition of the choice of reasonable methods and medication to treat, to avoid taking drugs at will.