Week 30: Your baby has lost all of his lanugo hair and instead has a head of dark, beautiful hair that is quite thick. He will slowly turn his head downward and will kick his mom’s ribs with his little feet at any time. Week 31: Your baby is continuing to develop . Thirty-second week: the internal organs are gradually developing and maturing, and the toenails are not yet fully grown. Thirty-third week: baby’s skin, which was red before, is slowly turning pink. Thirty-fourth week: The immune system is developing. It may have stayed in the head-down position, but it is different from being in the pelvis, a position he will maintain for 1-2 weeks. Week 35: Digestive system is basically done developing and his lungs are almost mature. Adorably, his little arms and legs are plumping up. Week 36: Most babies are in a head down position, he may be going into the potty and baby will be working hard to prepare for birth. Week 37: Your baby has stayed long enough and he’s ready to come out and see the outside world. Week 38: All the development is complete and the body is fully developed. Thirty-ninth week: The lungs have also matured and the umbilical cord is now about 51 centimeters long. Week 40: After a long wait, the baby comes into the world.