30 weeks the baby in the mother’s stomach looks like a humanoid, the length of the body is about 37 centimeters, weighing about 1.5 kilograms. Pregnancy into 30 weeks, at this time the fetal development is more perfect, the height has reached 37 to 40 cm, weight can also be in the 1.5 kg or so, the subcutaneous tissue is becoming more and more plentiful, wrinkles are gradually reduced, the appearance of the head is big and small humanoid, slightly smaller than the normal full-term baby. Around 30 weeks, the brain develops faster, the brain tissue increases rapidly, the cardiopulmonary function also continues to improve, the hair is getting thicker and thicker, and the bones are getting harder and harder. In male babies, the testicles begin to descend from the abdominal cavity to the testes. The female vulva also begins to develop and is covered by the labia minora, but not yet by the labia majora. During pregnancy, pregnant women must have regular medical checkups to monitor the development of the baby in the womb.