Initially, the infant retains the posture that was in the womb of the mother. The kid’s body looks plump due to a uniformly located subcutaneous fat layer and poorly developed musculature. Hands and feet are equal in length and much shorter than the trunk. The spine does not yet have physiological curves, it does not bend, and the ribs are attached to it at right angles, the thorax is shaped like a barrel. The fontanel between the bones of the forehead and the crown is open.
Breathing a newborn is uneven; not too often and shallow. The normal pulse from 120 to 140 beats increases when the baby screams.
The stomach located horizontally small while the intestine is characterized by underdevelopment of nerve endings, tender mucous membrane, a large number of blood capillaries, lack of intestinal glands. The walls of the intestine are highly permeable. In the mouth, there is a lack of saliva, and the oral mucosa is poorly protected. But already there are all the digestive enzymes. From the first hours, the digestive tract and the respiratory system of the baby are populated with the necessary microorganisms.
The normal chair of a newborn baby is set to the 5th or 6th day of life. The first 2 days the baby urinates several times, then increases the daily number of urination to 20 times.
The balance of water is of great importance for maintaining the functions of the infant’s body. A large part of his body is composed of water, but the equilibrium is fragile and easily broken. A child a day needs about 180 g of water per 1 kg of weight, which he receives from mother’s milk.
Different departments of the nervous system of the baby are developed in different ways, but basically, all are ready to function. Visual and auditory analyzers are formed much better than the motor. Already in the first days of life, the baby can stop looking at the bright spot, on the mother’s face. He listens to the sounds and even emits some faint sounds.
The baby moves uncoordinated, stretches. Hands and feet move erratically, they can not straighten up completely. Fingers clenched into fists.
Our previous article Ways to put the baby to sleep our article titled sleep information is given.