Detailed pictures of fetal development at 9 weeks of pregnancy. In the 9th week of pregnancy, the fetus has begun to obtain various nutrients and oxygen from the mother\’s body, and the development of body organs and tissues is also gradually improving. The following will introduce in detail the development of the fetus at 9 weeks of pregnancy in four aspects. Appearance: At 9 weeks of pregnancy, the fetus is only about 2.5 centimeters long and weighs about 2 grams. At this time, the fetus