The size of a fourteen-week pregnant woman’s belly is about three fingers above the pubic symphysis at the base of the uterus. As the fetus grows during pregnancy, the uterus also grows in size, which is reflected in the gradual expansion of the pregnant woman’s abdomen. At fourteen weeks of pregnancy, the fundus is about three fingers above the pubic symphysis. The rate of growth of the uterine fundus varies from week to week. The rate of growth is generally faster at 20-24 weeks of pregnancy and slows down at 36-39+6 weeks. The uterine fundus is generally highest at 36 weeks of gestation and decreases after full term as the prenatal presentation enters the pelvis. During pregnancy, it is important to follow the doctor’s instructions to have regular checkups, and the height of the fundus can be measured to check the week of pregnancy and estimate the size of the fetus. However, the height of the uterine fundus varies according to the development of the fetus, amniotic fluid volume, single fetus, multiple fetuses, etc. Therefore, regular ultrasound examinations should also be performed to assess the development of the fetus.