Always people think that the amniotic fluid is what foetus urine accumulate become, this 50's in century after, because of use amniocentesis diagnosis an embryo a chromosome disease, carry on to the amniotic fluid thorough research confirmation, the source of amniotic fluid isn't fixed and unchangealbe, but is along with gestation of development but is continuously changing.
A, the source of amniotic fluid
The earlier period of the gestation,
The amniotic fluid mainly got into an amnion chamber through the foetus film from the maternal serum of dialysate, embryo's blood after circularly becoming, humidity and small member material can pass didn't
