The amniotic fluid index during pregnancy is normally within the range of 8-24cm, amniotic fluid greater than 24cm is too much amniotic fluid, less than 5cm is too little amniotic fluid, it is best to have regular ultrasound examinations to see if the amniotic fluid index is normal, too much or too little amniotic fluid can have adverse effects on fetal development, it is best to identify and then treat reasonably. If too much amniotic fluid may be caused by fetal malformation, you can ultrasound, if necessary, amniocentesis is recommended, if the embryo development is normal, do not worry, if the development of abnormalities need to induce labor. If the amniotic fluid is too small, it is best to exclude fetal malformations, if the development is normal, do not worry, it is best to drink more water, drink more soy milk, etc., can increase the amount of amniotic fluid to avoid causing intrauterine hypoxia, it is recommended that regular fetal heart checks, if the late pregnancy appears too little amniotic fluid need to timely cesarean delivery.