Week #13 the baby now looks like a baby in the face! it weighs about .5-.7 ounces and is about 2.5-3 inches in length. The baby’s intestines have been developing outside the body in the umbilical cord before, will now be drawn into the abdominal cavity.
Week #14 the baby is 3.5 inches long and weighs an ounce. The neck grows stronger and longer. The chin no longer has to rest on the chest. External genitalia continues to develop.
Week #15 the baby has fine hair begin to cover its body, called lanugo. Bones are getting harder and retaining calcium. Begins to suck his/her thumb, and the skin looks thin. It is about 4 inches long and weighs about 1.75 ounces.
Week #16 the baby is about 4.5 inches long and weighs about 3 ounces. There is more lanugo. Quickening or flutters are felt by the mother.
Week #17. The baby is now developing fat layers. The baby is about 5 inches long and weighs about 3.5 ounces.
Week #18. The baby is now about 5.6 inches long and weighs about 5 ounces. You may have uneven patches of color on your face due to hormones. As capillaries under your skin on your face can increase, causing you to look flushed. You can feel your uterus just below your naval.
Week #19 the baby is now about 8 ounces and is about 9 inches long. Baby can begin to hear things outside of the womb.
Week #20 The baby is beginning to form vernix. Baby is now about 9.5 to 10 ounces and is about 10 inches long. you have begun to have braxton hick contractions.
Week # 21 The baby is now about 11 inches long and weighs about 12 ounces
Week # 22 the baby is about 12 inches long and weighs about 12.5 ounces. Caution: contact your midwife if you have any vaginal bleeding , abdominal pain, severe swelling in your face or fingers, blurry vision, painful urination, headache that wont go away, severe vomiting, fever or chills, loss of fluid from your vagina, or changes with the baby’s activity.
Week # 23 -24 The baby is now about 15 ounces and 12.5 inches long.
From week 20-24 most of the organs become capable of functioning; periods of sleep and activity are noted, and the baby responds to sound. The skin is red and wrinkled.