Chorioamnionitis: Difference between revisions

Revision as of 09:38, 10 December 2021

Ascending bacterial infection leading to inflammation of the membranes and placenta
Also called intraamniotic infection

1 to 4% of all birth
More common with preterm delivery, PROM, prolonged labour, smoking/alcohol/drug use, multiple vaginal examination, internal monitoring of labour, bacterial vaginosis, colonization by group B streptococcus, and nulliparity

Fever, tenderness over the uterine fundus, maternal tachycardia, fetal tachycardia
May have purulent or malodorous amniotic fluid
Can be complicated by endometritis, pelvic abscess, surgical site infection, bacteremia, postpartum hemorrhage, and poor neonatal outcomes

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 * 1 to 4% of all birth
 * More common with preterm delivery, PROM, prolonged labour, smoking/alcohol/drug use, multiple vaginal examination, internal monitoring of labour, bacterial vaginosis, colonization by group B streptococcus, and nulliparity
+=== Risk Factors ===
+* Prolonged rupture of membranes (including [[PPROM]]) ≥12 hours or ≥18 hours
+* Prolonged labour, with second stage >2 hours or active labour >12 hours
+* Multiple digital exams with membrane rupture ≥3 exams
+* Nulliparity
+* Colonization with [[group B Streptococcus]]
+* [[Bacterial vaginosis]]
+* Alcohol and tobacco use
+* Meconium-stained amniotic fluid
+* Internal monitoring of the fetus
+* Epidural anaesthesia
 == Clinical Manifestations ==