Baby's Circulatory Model

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At 16 weeks, your baby is the size of an avocado weighing around 100 grams and measuring almost 12cm. The baby will develop a lot more in the next three weeks almost doubling in size and so will the placenta. The baby’s muscle, mainly the neck and back bones are now a lot more tougher and is ableing your baby to have their head sit more up and is allowing the baby’s body to become straighter. A philtrum is starting to appear under the baby’s nose meaning its giving your baby cupid bow shape right above her lip however it’s not that noticeable. Now your baby’s circulatory system has fully developed and the baby’s heart is pumping 28 liters of blood around the baby’s entire body, every day, and by the time the baby is born it’ll be pumping…show more content…
The baby is a lot more active as it stretches and turn every possible moment. The baby is probably sucking their thumb too. At this ultrasound, your doctor will measure the circumference of your baby head to determine the baby’s length accurately as it can sometime be difficult when the baby Is curled. A layer of fatty substance called vernix caseosa, starts to shelter the baby. This acts a soft emollient, almost moisturizer feel, helping to guard the baby sensitive skin from drying out in the amniotic fluid and it also supports comfort for when your baby comes down the birth canal at…show more content…
Weighing nearly 360 grams, at 21 weeks. Many feature around his face are becoming more prominent as the baby’s eyebrows are becoming thicker and its lips are becoming clearer, getting more visible every day. The baby’s eye movement is also becoming hastier beneath the eye. Your baby is becoming increasingly active as the kicks and punches your baby is throwing becomes more visible as your tummy moves about, which you can also feel very much at this point, however if you don’t, then there’s no need to worry as the baby is perhaps positioned another way in your womb and if the placenta is at the front it’s just cushioning the baby’s movements preventing the mother to feel any movement. The mother’s placenta has been growing almost twice the size of the baby up until this point where the baby will overgrow the placenta however the placenta will continue to deliver nutrition until your baby is
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