Healthy Eating Recommendations for Early Pregnancy Dinner Early pregnancy is a critical period for fetal development. Eating healthy can bring many benefits to pregnant women and fetuses. Dinner is the most easily skipped meal among the three meals a day. Pregnant women need to pay special attention to a healthy and balanced diet at this time. The following are healthy eating suggestions for dinner in the first trimester: a combination of multiple food types. Pregnant women’s dinner needs to include protein, minerals and vitamins.