INTRODUCTION
A 35-year-old G8P7006 woman at 33 weeks 5 days’ gestation presented with preterm contractions following known measles exposure 12 days earlier from her son. She reported a 4-day history of symptoms including fever, malaise, sore throat, fatigue, and a maculopapular rash. Her vaccination status for measles was unknown. Her husband, who accompanied her, was asymptomatic and also uncertain of his vaccination history. A maternal measles immunoglobulin (Ig) G antibody titer was obtained.
The patient was then admitted to Labor and Delivery for management of preterm labor and placed under airborne isolation precautions with appropriate respiratory protection. She received a course of antenatal corticosteroids and intrapartum antibiotic prophylaxis for Group B Streptococcus; her rectovaginal swab subsequently returned a positive result.
She progressed in spontaneous preterm labor, and she delivered vaginally the following morning at 33 weeks 6 days’ gestation.
The patient’s vaginal delivery was uncomplicated. Maternal laboratory evaluation demonstrated negative…