Preterm birth (PTB) is a major determinant of neonatal mortality, morbidity and childhood disability. It has long‑term adverse consequences for health. The causes of preterm delivery (PTD) are multifactorial. This study was conducted to determine the most common risk factors for PTB at Mukalla Maternity and Childhood (MCH) Hospital, Yemen. A retrospective case-control study was conducted. It involved the records of 100 women with live PTD as cases and 400 women with live term delivery as controls at Mukalla MCH Hospital in 2018. All the data were analysed using the Statistical Package for the Social Sciences (version 24). The statistical relationship between independent variables and PTB was studied by the Chi-square test in bivariate analysis and logistic regression in multivariate analysis. The strength of association was confirmed by using odds ratios (ORs) with a 95% confidence interval (CI). Risk factors with statistically significant association with premature birth were a family history of PTD (adjusted OR [AOR] 2.353; CI 1.3-4.258, p-value 0.005), pre-eclampsia (AOR 4.120; CI 1.818-9.340, p-value 0.001), parity (AOR 2.139; CI 1.249-3.662, p-value 0.006), premature rupture of membranes (AOR 4.161; CI 2.323-7.456, p-value 0.000) and abnormal amniotic fluid volume (AOR 4.534; CI 1.364-15.071, p-value 0.014). An early recognition of preterm risk factors will help medical staff and healthcare workers to identify women with a high-risk pregnancy.
Key words: Premature; Preterm; Premature rupture of membranes; Hypertension; Risk factor; Mukalla; Yemen.
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