<P> For humans, the amniotic fluid is commonly called water or waters (Latin liquor amnii), </P> <P> Amniotic fluid, also known as Camerons fluid is present from the formation of the gestational sac . Amniotic fluid is in the amniotic sac . It is generated from maternal plasma, and passes through the fetal membranes by osmotic and hydrostatic forces . When fetal kidneys begin to function in about week 16, fetal urine also contributes to the fluid . In earlier times, it was believed that the amniotic fluid was composed entirely of fetal urine . </P> <P> The fluid is absorbed through the fetal tissue and skin . After the 15th - 25th week of pregnancy when the keratinization of an embryo's skin occurs, the fluid is primarily absorbed by the fetal gut . </P> <P> At first, amniotic fluid is mainly water with electrolytes, but by about the 12 - 14th week the liquid also contains proteins, carbohydrates, lipids and phospholipids, and urea, all of which aid in the growth of the fetus . </P>

Where does the amniotic fluid go as the baby grows