19 weeks fetal height has 15 centimeters about, weight 200-250 is overcome, fetal begin right now can deglutition amniotic fluid, the kidney can have made uric juice, the hair also is in rapid growth. 19 weeks when, the change with the biggest darling is sensory begin to develop quickly according to area. Taste, smell, touch, vision, hearing begins the growth in special in cerebrum section from now, right now nerve yuan the amount decreases, nerve yuan between connect begin to increase.
Darling 19 weeks when, weekly meeting is elevatory by the uterus of pregnant woman 1 centimeter. Everyday you feel fetal clearly in keep moving, even in the evening because of him (she) do sth over and over again and make you cannot fall asleep.
Gravid 3-6 the month is the first phase with cerebral rapid and proliferous cell, call " the head grows quickly period " . Basically be cerebral cell bulk increases and nerve fiber grows, make cerebral weight increases ceaselessly. The 2nd phase is gravid 7-9 month, meantime supports the hyperplasia of cell and neurological cell, reach a tree dash forward the addition of branch, the cranial nerve cell that makes had been built, development becomes nerve cell and cell between dash forward touch joint, in order to conduct the excited impulse of cranial nerve cell. Will tell to the person's intelligence, cranial nerve cell is cultivated dash forward increase far increase than cellular numerary many it is important to want.
What strong unripe expert wants to remind you here is, every embryo is in the development in the uterus is not of just the same, we just give you the introduction of a simple and global fetal development process here, if you discover your circumstance and we are what you introduce to have small discrepancy, please need not alarmed; You can consult a doctor to the hospital and perhaps make corresponding inspection.
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