Baby’s Development
The baby is around 17.5 cm in size and 160 g in weight. The baby has more space in the uterus to move now and will be moving around quite a lot. The baby can grasp with its hands, kick or even somersault by this time. The baby acquires reflex of suction and you can notice the baby stopping the swallowing action if a bitter solution is introduced into the amniotic fluid. The baby can even get hiccups in this stage. The baby reacts to visual stimulation and will use its hands to protect the eyes when violent external light falls on it. The baby develops fat under the skin to provide the baby with insulation. The baby and the placenta are of the same size now. The genitals are fully developed and a sonography might be able to tell you the sex of the baby. The head and the neck are held straighter now and you might hear the thumps of the heartbeat with an external monitor. The baby has developed reflexes like sucking, blinking and swallowing. The regular movements of the chest show that the baby is now able to breathe underwater by inhaling and exhaling small amounts of amniotic fluid. The baby develops fingernails and the legs are longer than the arms now. The baby’s urinary and circulatory system begin functioning more efficiently and the baby pumps about 25 quarts of blood daily. By the 40th week it is expected to increase to 1900 quarts per day.
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