Fetal Development Week by Week – Week 28
This week your baby weighs about 2 ½ pounds and measures around 15 inches long. During the last four weeks the weight of your baby has nearly doubled. The baby is moving around a lot these days, but soon this will slow down as the baby starts to run out of room inside your uterus.
The smooth brain tissue continues to develop folds and wrinkles as it increases in mass. Brain functions include breathing and maintaining body temperature. Lanugo hair is starting to disappear over the body, but eyebrows, eyelashes and the hair on their head is growing. Bone marrow has taken over the production of red blood cells from the liver at this point. Muscle tone is improving and the baby’s body is filling out with warming body fat.
The third trimester is filled is aches and pains and general discomfort for many women. Some of the complaints you might suffer from include heartburn, varicose veins, hemorrhoids and indigestion. Knowing that you are closely approaching the birth of your baby can help you make it through these trying last few weeks.
Your health practitioner may order blood work at twenty-eight weeks and if you haven’t had a blood glucose screening done yet this may be done. Blood glucose screening helps determine if you have gestational diabetes.