What Causes False Positive Nitrazine Test

Nitrazine test may also lead to false positive or negative results due to probable contamination by alkaline urine, semen, blood, meconium, vaginitis, cervicitis and using antibiotics.

What causes false positive amniotic fluid test?

False negative tests results can occur when leaking is intermittent or the amniotic fluid is diluted by other vaginal fluids. False positive results can be due to the presence of alkaline fluids in the vagina, such as blood, seminal fluid, soap, or some infections.

How do you know that a Nitrazine test is positive?

Nitrazine Test This test involves putting a drop of fluid obtained from the vagina onto paper strips containing Nitrazine dye. The strips change color depending on the pH of the fluid. The strips will turn blue if the pH is greater than 6.0. A blue strip means it’s more likely the membranes have ruptured.