Although this week the baby is already completely ready forbirth, changes continue to occur in its nervous system - a protective sheath is created around the nerves. However, this process will not be completed soon, it will continue throughout the first year of the child's life. Pregnancy week 37: ultrasound. At the thirty-seventh week, the baby's lungs are already producing surfactant in full swing. The baby is fully developed and ready to be born and breathe air. But this does not mean that he stops growing and developing. Now your baby weighs about 2950 g, his length is about 35 centimeters. Every day he gains 30 grams of fat. Pregnancy week 37: symptoms. This week, primiparous women may experience signs of labor, but you can reach the end of your term. But if a woman has already given birth, or is carrying twins, then labor can begin already at this time. The baby's head descends into the pelvic area. The pressure on the internal organs is somewhat reduced, as a result of which the woman will feel some relief. From this time on, breathing and even eating will become much easier. However, at this stage, the uterus begins to press on the bladder with even greater force. Pregnancy week 37: signs. Women still have a frequent need to urinate this week. From this moment on, your pregnancy is considered "full-term". And if you start labor now, doctors will not stop it. We recommend reading: