The development of the fetus in the 9th week of pregnancy is very rapid and it takes 10 months for the fertilized egg to become a baby. The length of the fetus in the 9th week of pregnancy is about 2 cm, and at most it weighs as much as a grape. The fetus’ mouth, eyes, brain, ears, arms and legs, and digestive system have started to develop. The cheeks, eyes, blood circulation, ureters and kidneys are in the process of formation, as well as the genitals, heart, liver and ribs. At this time, the fetal head is larger than the other parts of the body and basically takes up most of the growth, while the small tail of the embryonic stage is over when it undergoes ultrasound examination. Week 9 is a critical period of fetal development and the pregnant woman must consume more nutrients so as to effectively promote the health of the fetus. The body shape of the mother-to-be in the 9th week of pregnancy does not change much, and her weight does not increase much. However, the fetus is developing very rapidly, the length is about two centimeters, at this time the digestive system kidney ureter has basically begun to form.