Amniotic fluid is a fluid that protects and supports when the fetus grows in the uterus. The amniotic fluid is produced after the amniotic sac is formed or about 12 days after fertilization. The function of amniotic water is vital for the fetus. Among them to protect the fetus from impact, help the development of the legs, muscles, lungs, and fetal digestive system. Amniotic fluid is located in the amniotic sac. The color of the amniotic water is clear and slightly yellowish, but looks clear and has no odor. In this amniotic fluid the fetus floats, breathes, and moves. The fetus also swallows the amniotic fluid, expels it as urine, then swallows it again. This aims to maintain the stability of the amniotic water volume. Too much or too little amniotic fluid can harm pregnancy. Amniotic Water Composition and Volume Amniotic water is composed of nutrients, hormones, and immune-forming cells that are useful for supporting fetal development. At 20 weeks, the composition of the amnio