The development of the fetus at 17 weeks. The 17th week of pregnancy is an important time point. The fetal organs have basically taken shape. In the following time, the fetus will continue to grow and expand. Expectant mothers also need to pay attention to health care. In this article, we will discuss in detail the development of the fetus at 17 weeks from four aspects of the fetus. 1. Appearance and weight: A fetus at 17 weeks of pregnancy is about 11.6 cm long, with the head included about 4.8 cm. At this time, the fetus\’ skin gradually becomes transparent and appears light pink, and the proportions of the head and body gradually approach those of an adult. The fingernails of the fetus\’ hands and feet have formed, and the teeth have begun to erupt. At this time the fetus