Is edamame a good choice during pregnancy? Pregnant women can take a serving of edamame a day without any problems. In fact by adding edamame to your pregnancy diet, you are making a smart move of supplying a good amount of nutrition to your baby. This is because edamame is full of folate that prevents neural tube defects such as spina bifida in the baby. Just make sure you thoroughly wash and cook edamame because eating it edamame may cause infections due to bacteria present in them.