Pregnant women's dietary taboos 1, eat less greasy food and sweets, with high calories and low nutritional value. 2, use less irritating spices, such as pepper, curry, mustard and so on. Eating too much acidic food will change the pH of maternal blood and affect the growth and development of fetus. 4, edema will appear in the middle and late pregnancy. At this time, it is necessary to control the intake of salt and fast food with high salt content, such as tofu milk. 5. Alum in fritters contains aluminum, which is unfavorable to the development of fetal brain. 6, eating too many red dates will cause flatulence in the abdomen, pregnant women should not eat more, you can drink some red date soup. 7. The alkaloids in potato belong to steroidal glycoside alkaloids, mainly solanine and solanine. Its structure is similar to human steroid hormones, such as androgen, estrogen and progesterone. If pregnant women eat potatoes with high alkaloid content for a long time, if they accumulate in the body, it may lead to fetal malformation. It is best for pregnant women not to eat or eat less potatoes, especially potatoes that have been stored for a long time, germinated and moldy. 7, do not drink coffee, strong tea: because coffee can lead to infertility, osteoporosis, myocardial infarction, hypertension and fetal malformation; Tea may affect the absorption of iron by pregnant women. 8, no smoking: smoking will affect the oxygen supply of the fetus.