The baby now measures about 4.3 to 4.6 inches and weighs about 3.5 ounces. You should be able to feel the top of your uterus about 3 inches below your belly button. The baby’s eyes can blink and the heart and blood vessels are fully formed. The baby’s fingers and toes have fingerprints. Swipe to advance 7/13 Development at 20 Weeks
A baby in the first trimester at 12 weeks has the following features: Muscles and nerves are coordinated. Baby can make a fist. The baby’s eyelids are closed and will not open until 28 weeks’ gestation. The growth of the head is slower and the baby has grown longer. Your baby weighs nearly one ounce and is about 3 inches long.
The baby’s eyelids are closed and will not open until 28 weeks’ gestation. The growth of the head is slower and the baby has grown longer. Your baby weighs nearly one ounce and is about 3 inches long. The external sex organs show the baby’s gender, but this is not distinguishable on ultrasound until the second trimester or later.