Perinatal Outcome in Pregnancies with Extreme Preterm Premature Rupture of Membranes (Mid-Trimester PROM)

Nihal Al-Riyami, Fatma Al-Shezawi, Intisar Al-Ruheili, Tamima Al-Dughaishi, Murtadha Al-Khabori


Preterm premature rupture of membranes (PPROM) is defined as the rupture of fetal membranes before 37 weeks. Extreme PPROM occurs before 26 weeks’ gestation and can result in perinatal morbidity and mortality. The aim of this study was to study the perinatal outcomes of mothers with extreme PPROM. Methods: A retrospective cohort study of 44 consecutive pregnant women, presenting with PPROM before 26 weeks’ gestation, was conducted from January 2006 to December 2011 at Sultan Qaboos University Hospital, Oman. Maternal and neonatal information was collected from medical records, and delivery and neonatal unit registries. Women with PPROM presenting after 26 weeks’ gestation, those with multiple gestations, or other types of preterm deliveries were excluded from the study. Results: Of the 44 preterm infants admitted to the Neonatal Intensive Care Unit, 24 (55%) survived, 7 (16%) died within 24 hours of birth, 9 (20%) were miscarried, and 4 (9%) were stillbirths. Neonatal sepsis and pulmonary hypoplasia were the major causes of death. Neonatal complications among the surviving infants included prematurity in 11 (46%), respiratory distress syndrome in 19 (79%), sepsis in 12 (50%), and low birth weight in 11 (46%). The neonatal survival rate was significantly associated with the gestational age at delivery but not with the gestational age upon rupture of membranes. Conclusion: Extreme PPROM was associated with adverse perinatal outcomes. The results of this study will help obstetricians and neonatologists in counselling couples experiencing PPROM. Future studies of long-term neonatal morbidity
should have larger sample sizes and include more hospitals.


Extreme PPROM; Neonatal; Maternal; Outcome; Oman.

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Sultan Qaboos University Medical Journal, College of Medicine and Health Sciences, Sultan Qaboos University, PO Box 35, Postal Code 123, Al-Khod, Muscat, Oman

ISSN (Print edition): 2075-051X ISSN (Internet edition): 2075-0528

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