High parity and adverse birth outcomes: Exploring the maze

Muktar H. Aliyu, Pauline E. Jolly, John E. Ehiri, Hamisu M. Salihu

Research output: Contribution to journalArticle

53 Scopus citations

Abstract

Background: Despite extensive literature on the topic, it is uncertain if grand (para ≥ 5) and great grand (para ≥ 10) multiparity are associated with adverse birth outcomes. We critically evaluate the evidence for and against the existence of adverse maternal and/or fetal outcomes in high parity women. Methods: An electronic search of MEDLINE and other bibliographic databases (Current Contents, EMBASE, and CAB) was conducted, and all relevant articles in English language were retrieved. Results: Findings on the association between high parity and maternal-fetal birth outcomes are not consistent. Although the older literature tends to suggest that multiparity is a risk factor for negative birth outcomes, more recent reports are not supportive. Comparison across studies was further complicated by confounding factors like maternal age, socioeconomic status, and levels of prenatal care, as well as by variations in study designs and in the definition of parity itself. Furthermore, most studies that examined women of extreme parity (para ≥ 10) were handicapped by inadequate power. Conclusions: After accounting for quality, culture, and degrees of associations, the preponderance of evidence seems to point to possible existence of heightened risk for certain medical complications and placental pathologies among women of extreme parity. The literature also provides reasonable evidence for a higher-than-expected likelihood for occurrence of fetal macrosomia with advanced parity.

Original languageEnglish (US)
Pages (from-to)45-59
Number of pages15
JournalBirth
Volume32
Issue number1
DOIs
StatePublished - Mar 1 2005
Externally publishedYes

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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