When a 30-week-old baby is in the womb, it can be seen through ultrasound that the baby’s body face and features are almost fully developed, with folds of skin. When your 30-week-old baby is in the womb, your baby’s head and body will be more evenly proportioned, the division of the eyelids will appear clearly, the eyes will be able to open, your baby’s brain will be developing rapidly, the muscles and lungs will be growing, the hair will become lusher, the bones will become harder, and the fat underneath the skin will become fuller. The 30-week-old baby in the tummy will often have a bout of hand paddling and stomping in the amniotic fluid, swallowing more and more amniotic fluid and becoming more skillful in his movements. The kidneys are also busy, and the baby will be peeing in the mother-to-be’s tummy. The child’s rhythm of life will also become more pronounced, with fewer movements and less amplitude when he sleeps, and more and more amplitude when he wakes up. 30 weeks of the baby in the belly, has developed more complete, it is recommended that pregnant women regularly do a good job of maternity examination, if there is any discomfort, should promptly go to the hospital, under the guidance of the doctor standardized treatment.