How is premature rupture of membranes diagnosed?

Diagnosis of premature rupture of the membranes (PROM) is based on patient presentation and collection of clinical data.  

Patients with PROM present with leakage of fluid, vaginal discharge, and pelvic pressure, but they are not having contractions.

Clinical data to diagnose PROM is a speculum examination of the vaginal cavity. During this examination the presence of pooling of fluid in the vagina or leakage of fluid from the cervix, ferning of the dried fluid under microscopic examination, and alkalinity of the fluid as determined by Nitrazine paper confirm the diagnosis.

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