Pregnant seven months, amniotic fluid is 3.6cm, excuse me normal?

Seven months pregnant, amniotic fluid is 3.6cm, is normal, normal amniotic fluid depth should be between 3-8cm, too much or too little amniotic fluid is not conducive to fetal development. In addition, pay attention to more rest during pregnancy, go to the hospital regularly for prenatal check-ups, and maintain physical and mental happiness.