4 months belongs to the middle of pregnancy, this situation should drink some soup with high calcium content, which will help the fetal bone development as well as brain development, it is recommended that pregnant women can drink some pork chop soup, pigeon soup, chicken soup, beef bone soup and so on. 1. Pork Ribs Soup: Pork ribs are rich in calcium and protein, which is good for the nutritional supplementation of pregnant women and the development of fetal bones. 2. Pigeon soup: Pigeon is rich in protein, and drinking pigeon soup during pregnancy can give pregnant women enough protein. 3. Chicken Soup: Chicken is rich in vitamins, melanin, protein, amino acids and other nutrients, which can replenish protein and other nutrients, and is a tonic with high nutritional value. 4. Beef Bone Soup: Beef bones are rich in calcium phosphate and calcium carbonate, which can supplement the nutrition of pregnant women and supplement the nutrition needed for fetal bone development. Drinking soup during pregnancy has many benefits, but we should also pay attention to food taboos, and at the same time, we should have a balanced diet, and regulate the diet under the guidance of a professional nutritionist if necessary.