Consumption of all kinds of supplements may cause miscarriage when you are newly pregnant, and you should pay attention to avoid consuming supplements without authorization. After pregnancy due to the development of the fetus will increase the need for nutrients, pregnant women need to pay attention to the reasonable tonic, increase nutrition, but can not blindly consume a variety of supplements, so as not to cause miscarriage. Some of the supplements contain certain hormones, which may affect the development of the fetus after consumption, and may also stimulate uterine contractions, resulting in abdominal pain or vaginal bleeding and other miscarriages. In addition, consuming too many supplements during pregnancy may lead to rapid weight gain, causing obesity, increasing the incidence of gestational hypertension or diabetes, and may also cause the fetus to develop too quickly to form a large child, which may not necessarily lead to miscarriage, but will increase the difficulty of a normal delivery. When pregnant, it is generally recommended that pregnant women pay attention to balanced nutrition, not picky eaters can eat more lean meat, fish, shrimp or eggs and other foods, with fresh vegetables and fruits, can be supplemented through the diet, do not recommend blindly eat supplements.