From time to time you may be a sensation of lack of air. This occurs because uterus puts pressure on the diaphragm and lungs are pressed. Do not worry: a shallow breath does not mean that baby receives too little oxygen. Conversely, in this period through your lungs more oxygen than normal. Try to get as comfortable as possible, and you will feel better.
Baby weighs 1800-2000 grams, its growth reaches 40-41 cm. He's getting crowded in the uterus: it can not roll over freely and often is head down. His lungs finally ripen, and in the case of premature birth baby to breathe on their own. However, the subcutaneous fat layer while underdeveloped and poorly retains heat.