The baby is actively growing and developing, by the end of 18 weeks of pregnancy it weighs about 150-170 g, and its length is about 14 cm. The formation of the immune system of the baby is completed. It can independently resist various infections. Continues the strengthening of its skeleton, the body becomes more proportional. The phalanges are fully formed. The heart works actively. Hearing organs are already formed, it hears the internal organs of a mom and is able to distinguish her voice, so that you can begin to carry on delicate conversations or turn on the music and read fairy tales.

While the baby has plenty of room and it turns somersaults, flips, pulls legs and arms. If the child’s motor activity is not triggered by oxygen deficiency, similar fetal movements positively affect the development of the muscular system and the child’s brain.