Guava is rich in protein and vitamins, and can be eaten in moderation during pregnancy. The main role of guavas is that they are rich in protein, which can help the growth and development of the fetus when consumed by pregnant women. But pregnant women need to be careful to avoid excessive consumption to prevent diarrhea. Precautions 1, women need to pay attention to diet during pregnancy, should try to choose easy to digest, can enhance appetite food, to avoid early pregnancy reaction aggravated, affect appetite; 2, to ensure the appropriate weight growth rate, to prevent the fetus too large in late pregnancy, increasing the chances of obstructed labor. Avoid smoking and drinking to prevent premature delivery and fetal malformation due to toxic reactions; 3, pay attention to appropriate activities, keep your mood relaxed, avoid excessive tension, and prohibit sexual intercourse in early and late pregnancy to avoid violent contractions of the uterus; 4, if the diet cannot meet the needs of your own growth and development and that of the fetus, you can use vitamins and minerals under the advice of professional doctors. 4. If the diet cannot meet the needs of growth and development of the fetus, the body can be supplemented with vitamins and minerals, such as calcium and iron supplements, under the advice of a professional doctor. Folic acid should also be supplemented in time to prevent fetal malformation.