Taking care of yourself is essential during each of the three trimesters of pregnancy. Healthy eating, regular exercise, and adequate sleep are some of the most beneficial steps you can take toward a successful pregnancy. This section will give you tips on adjusting your diet and exercise regimen during the third trimester of pregnancy and will discuss some of the common physical discomforts of the third trimester and ways to find relief. Complications that can occur during the third trimester, such as gestational diabetes, preeclampsia, preterm labor, intrauterine growth restriction, and malpresentation, are discussed, along with the warning signs you should watch for.