At week 19 you are just a week away from being half way through your pregnancy! Neurons are now connected between the brain and muscles. Your baby has more control over limb movements. You may also notice some aching in your lower belly. It's probably just the stretching of your muscles and ligaments. Your body produces a hormone called relaxin, which softens your ligaments. It helps your baby pass through your pelvis as easily as possible at birth. Vernix, a substance found coating the skin of newborn human babies, has been forming.
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