Week 25 – Baby weighs 1 pound 9 ounces (709 grams). The bones are continuing their ossification process, meaning that they are becoming harder.
Week 26 – Veins are visible through the baby’s skin, although it is quickly changing from transparent to opaque. The baby now can hear. Although it is assumed that the uterus is a quiet place, the baby has been surrounded by noise for a long time. Things like the heartbeat, digestion, and other body functions are heard by the baby as well as external noises.
Week 27 – The baby’s skin is very wrinkled from floating in water. This will stay this way until a few weeks after birth as your newborn fills out into a baby. Although take heart in the fact that your baby’s looks are assuming the looks that they will have at birth. Baby has also hit the 2 pound mark (900 grams).
Week 28 – This is the third trimester. The baby’s eye lashes are developing, as subcutaneous fat is deposited. If the baby is aboy, his testes will probably begin descending. Your baby is about 13.8 inches long (35 cms) and weighs about 2 pounds 4 ounces (1 kilogram).
Week 29 – The baby is beginning to regulate his own temperature and the bone marrow is completely in charge of production of the red blood cells. The baby is even urinating about a half liter of urine into the amniotic fluid everyday.
Week 30 – Maintain a good posture to decrease the strain of the body as the gravity continues to change. Furthermore, the mother may be able to distinguish sleep and wake cycles in your baby. Although it usually seems as if the baby wants to sleep while you are awake and vice versa at night.