Amniotic fluid test paper is a kind of pH test paper, the result can only be used as a reference value, there is no how to test the most accurate way. Normal pregnancy vaginal fluid is acidic, with a pH between 4.5-6.0, and if tested with test paper, it appears yellow and does not change color. Amniotic fluid is alkaline, pH value of 7.0-7.5, if you find that the vagina has liquid outflow, test paper detection, placed for a while after the test paper will turn green, may be premature rupture of amniotic fluid, premature rupture of amniotic fluid will trigger the upward movement of bacteria can easily lead to intrauterine infections, affecting the fetus and the pregnant woman’s health, you should be as soon as possible to the hospital for treatment. During the treatment period, pregnant women should reduce activities, try to elevate the buttocks, observe the amount of amniotic fluid outflow and fetal movement, and keep the vulva clean to reduce the probability of bacterial infection.