Previous Preterm Birth Delivery
The strongest predictor for preterm birth is a previous preterm delivery.
Previous Preterm Delivery
The strongest predictor for preterm birth is a previous preterm delivery, with the recurrence risk ranging from 15% to greater than 50%. The risk is influenced by the previous number of preterm births and the earlier the previous preemie baby arrived. The reason for the increased risk for each mother is likely to vary. For example, spontaneous preterm birth is possibly explained by persistent or recurring intrauterine infections or cervical incompetence, whereas women with medically indicated preterm births are more often attributed to underlying disorders such as diabetes, hypertension, or obesity.
(Goldenberg, Culhane, Iams, & Romero, 2008; Mercer et al., 1999)
Technical Reference List
Goffinet, F. (2005). Primary predictors of preterm labour. Bjog, 112 Suppl 1, 38-47.
Goldenberg, R. L., Culhane, J. F., Iams, J. D., & Romero, R. (2008). Epidemiology and causes of preterm birth. Lancet, 371(9606), 75-84.
Mercer, B. M., Goldenberg, R. L., Moawad, A. H., Meis, P. J., Iams, J. D., Das, A. F., et al. (1999). The preterm prediction study: effect of gestational age and cause of preterm birth on subsequent obstetric outcome. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. Am J Obstet Gynecol, 181(5 Pt 1), 1216-1221.
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