Diet precautions and health care methods during pregnancy During pregnancy, diet is very important. Pregnant women should ensure adequate nutrition, avoid eating too much junk food and high-calorie foods, and avoid some harmful foods. The following are dietary precautions and health care methods during pregnancy. First of all, pregnant women should ensure adequate protein intake and add a large amount of protein-rich foods such as meat, beans, and milk. Secondly, pregnant women should also take in enough vitamins and trace elements, such as vitamins B, C, E, iron, calcium, zinc, etc., to improve the body\’s immunity.