At 18 weeks your baby is approximately 5.5 inches long from crown to rump, and weighs approximately 7 ounces(about as much as a bell pepper, an artichoke, or a sweet potato).
Your one-of-a-kind baby is truly one of a kind now, with unique fingerprints on those little fingertips and toes. Your baby is busy flexing its arms and legs – movements that you'll start noticing more and more in the weeks ahead. The blood vessels are visible through its thin skin, and its ears are now in their final position, although they're still standing out from its head a bit. A protective covering of myelin is beginning to form around the nerves, a process that will continue for a year after baby's born. Do you and your partner talk to your baby? The bones and nerves in the ears are now developed enough to function, and baby can hear all sorts of sounds—including blood coursing through the umbilical cord, your growling tummy, and your heartbeat. In fact, sudden or loud noises may be startling. Go ahead and sing, tell stories or play music for your baby now. Even though your baby doesn't understand what these sounds are now, eventually it'll recognize your voice better than any other.If you're having a girl, her uterus and fallopian tubes are formed and in place.
Note: Every baby develops a little differently — even in the womb. This information is to give you a general idea of your baby's size.
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