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PROM/PPROM
Question | Answer |
---|---|
What is PROM | Spontaneous disruption of fetal membrane integrity prior to onset of labor |
What is PPROM | Disruption of fetal membrane integrity before completion of 37 weeks gestation |
What is prolonged PROM? | When more than 24 hours elapses between rupture of the membranes and onset of labor. |
What is the etiology of PROM? | -vaginal/cervical infections -abnormal membrane physiology -incompetent cervix -nutritional deficiencies |
How is PROM diagnosed? | -History? vaginal loss of fluid -Confirm amniotic fluid in vagina RULEOUT: urine incont/leukorhea/mucous plug |
On what does the management of PROM depend? | On Gestational Age |
What should be used to examine the vagina of a pt with PROM/PPROM not in labor? | Sterile speculum. NEVER HAND. confirm dx, assess cervical dilation,length. if PPROM:fluidsample/cultures |
Confirmation of PROM/PPROM? | Fluid pool in posterior fornix -nitrazine paper turns blue (pH>6) blood/mucus/urine/sperm false + -ferning on slide |
Why is U/S done? | to rule out fetal anomalies to assess gestational age to assess amniotic fluid volume |
Oligohydramnios associated with PROM in fetus <24 weeks, may develop? | Pulmonary hypoplasia |
At what GA is labor induction ideal management in a woman with PROM | at 34+ weeks, induce labor 6-12 hours post rupture |
PPROM managment? | -prolonging gestation until lung profile is mature -risk of prematurity>infection RDS/IVH/NEC |
Chorioamnionitis? | -high maternal temp >38 -tender, irritable uterus on non-stress test -tachycardia fetal/maternal CONFIRM: amniocentesis culture+ve |
PPROM what prolongs latent phase? | Ampicillin or erythromycin |
Chorioamnionitis management? | ABX therapy>> ampicillin and gentamyicn. with INDUCTION of labor unfavorable >> C/S |
Tocolytics in PROM yes or no? why? | controversial, may mask evidence of maternal infection |
Corticosteroids in PROM? | PPROM? upto 32 weeks PROM? no need. |
Lung profile? | Chromatography: PG and PI L/S ratio 2/1 |