Differentiating between urine and water breaking during pregnancy ?

Pop: Sometimes this can be difficult. Some women hear a "pop" when the membranes rupture and then a gush of fluid. However, your can get a gush of fluid with urine too. Active labor is typically ongoing with the rupture of membranes. Your provider can do a ferning test which develops when looking at vaginal fluid under microscope or a nitrazine test which is positive with amniotic fluid.