Management of Premature Rupture of Membranes

Initial Management

The American College of Obstetricians and Gynecologists recommends obtaining a vaginal-rectal culture for group B streptococcus (GBS) and initiating appropriate antibiotic therapy, with individualized counseling about maternal and fetal risks to guide decision-making between expectant management or delivery based on gestational age 1, 2
Patients with premature rupture of membranes should receive thorough counseling about maternal risks, poor fetal outcomes, and the risks and benefits of expectant management versus delivery/termination, particularly at previable gestational ages 1

Administering antibiotics to prolong latency is recommended (Grade 1B recommendation), with a regimen of ampicillin and erythromycin IV for 48 hours, followed by amoxicillin and erythromycin orally for 5 days (Grade 2C) 1
Antibiotics should be discontinued if the patient is not in true labor 2

Patients with premature rupture of membranes should be monitored closely for signs of infection or labor, including daily temperature checks, vaginal bleeding, malodorous discharge, abdominal pain, and contractions, as well as signs of intraamniotic infection, such as fever, maternal tachycardia, purulent cervical discharge, fetal tachycardia, and uterine tenderness 1

Intraamniotic infection, significant hemorrhage, fetal distress, fetal demise, and advanced labor are contraindications for expectant management 1

Serial amnioinfusions or amniopatch should not be used for routine care (Grade 1B) and are considered investigational, only to be used in clinical trial settings 1
Cerclage management in the case of premature rupture of membranes is reasonable, with either removal or maintenance of the cerclage after discussing risks and benefits (Grade 2C) 1
Antenatal corticosteroids should be administered when neonatal resuscitation is planned, and neuroprotection with magnesium sulfate should be considered when delivery is anticipated within 24 hours, with monitoring of serum magnesium levels and deep tendon reflexes 1
If the patient does not progress to active labor, GBS culture results should be obtained, and a repeat vaginal-rectal culture should be performed if the patient reaches 35-37 weeks and has not yet given birth 2