What should pregnant women pay attention to in the third trimester of pregnancy? The third trimester refers to the last three months of pregnancy, when the fetus\’s organs have matured and its weight increases rapidly. As a pregnant woman\’s abdominal circumference gradually increases, both the mother and the fetus face several health risks. Therefore, pregnant women in the third trimester need to pay special attention to the following aspects: 1. Diet The diet that pregnant women in the third trimester need to pay attention to is not much different from that in the first trimester, but they need to pay attention to eating more protein and iron. Because the fetus needs a lot of protein at this time