Pregnant women should eat less or no roses. The tannic acid and astringent effect of roses may lead to discomfort in pregnant women. 1, affect the absorption of iron: as the fetus continues to develop during pregnancy, the amount of iron needed by pregnant women increases, and because roses contain tannic acid, eating roses at this time may prevent the body’s absorption of iron, which may lead to anemia and other discomfort in severe cases. 2, cause discomfort in pregnant women and fetuses: in Chinese medicine, roses have an astringent and astringent effect. If a pregnant woman has constipation, poor bowel movement and other symptoms, eating rose may aggravate the symptoms and lead to discomfort; in addition, if too hard to defecate, may lead to uterine contractions, leading to abdominal pain, premature birth and other adverse consequences. Pregnant women should have a balanced diet during pregnancy, eat more fresh vegetables and fruits, increase the daily intake of high-quality protein, such as lean meat, milk, eggs, etc., and also eat more nuts and coarse grains to facilitate the smooth flow of stool. Also pay attention to ensure sufficient rest, avoid staying up late. Keep a happy mood, take walks and do yoga to enhance body resistance.