Level 1: Causes of Vomiting in Pregnant Women and Preventive Measures 1. Causes of Vomiting in Pregnant Women Vomiting in pregnant women is caused by endocrine changes in the fetus and mother. It is mainly due to excessive secretion of progesterone, which leads to slowed gastrointestinal motility and indigestion of food. , causing symptoms such as nausea and vomiting. 2. Preventive measures 1. Pay attention to eating habits: avoid overeating and eat more light and easy-to-digest food. 2. Maintain a good attitude: Emotional stability can help reduce uncomfortable symptoms during pregnancy. 3. Appropriate exercise: Appropriate exercise can promote blood circulation and relieve physical discomfort. Level 2: How to relieve vomiting in pregnant women 1