Pork loin, or pig kidney, can generally be eaten in moderation when pregnant to replenish protein and trace elements, but because it is rich in cholesterol and fat, pregnant women with obesity and cardiovascular disease need to be careful with food. Nutritional value pork loin is rich in protein, fat, as well as calcium, phosphorus, iron and other vitamins, with certain supplement kidney energy, improve edema and other effects. Do not eat pork loin frequently or continuously in early pregnancy, and try to eat less and more meals to ensure adequate carbohydrate intake, such as rice, rice porridge, noodles, etc. Take timely folic acid supplements and abstain from alcohol. Proper intake of high quality protein such as fish, eggs and lean meat is needed in the middle and late pregnancy to enhance nutrition and provide sufficient nutrients for fetal growth and development. You can eat more green vegetables, such as celery, which can promote gastrointestinal motility and help digestion and absorption. However, care should be taken to avoid foods and beverages containing caffeine, such as coffee, Red Bull, etc. It is advisable to select fresh pork loin and avoid excessive consumption to prevent excessive intake of purines, cholesterol and other substances, which will not only increase the burden on the stomach and intestines, but also may affect the growth and development of the fetus. When cooking, you should also pay attention to remove the white fibrous membrane to prevent accidental ingestion, which may cause nausea, vomiting and other uncomfortable symptoms.