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Published on: January 12, 2018
Group prenatal care versus individual prenatal care: a systematic review and meta-analyses
Eider Ruiz-Mirazo1, Maite Lopez-Yarto2, Sarah D McDonald3
1Aberdeen Maternity Hospital.
Insights
Group prenatal care (GPC) may reduce preterm birth rates compared to individual prenatal care (IPC). More high-quality studies are needed to confirm these findings and assess generalizability for diverse populations.
Area of Science:
- Perinatal Health
- Evidence-Based Medicine
- Maternal-Child Health
Background:
- Individual prenatal care (IPC) is the standard for monitoring pregnancy.
- Group prenatal care (GPC) offers an alternative model, fostering community and education.
- Comparing GPC and IPC is crucial for optimizing perinatal outcomes.
Purpose of the Study:
- To systematically review and compare the effects of GPC versus IPC on key perinatal health outcomes.
- Primary outcomes include preterm birth (PTB) and low birth weight (LBW).
Main Methods:
- Systematic review of Medline, Embase, CINAHL, and reference lists.
- Data extraction and analysis by two independent reviewers.
- Random effects model used for meta-analysis of eight studies (3 RCTs, 5 cohort studies) involving 3242 high-risk women.
Main Results:
- Women in GPC showed significantly lower rates of preterm birth (RR 0.71; 95% CI 0.52 to 0.96).
- No significant differences were observed in low birth weight or intrauterine growth restriction.
- GPC was associated with fewer Cesarean sections and higher breastfeeding initiation rates.
Conclusions:
- Current evidence, primarily from low-quality studies in high-risk groups, suggests GPC may improve some perinatal outcomes, notably reducing PTB.
- Further high-quality research is essential to establish the generalizability and confirm the benefits of GPC across diverse populations.
Objective:
To compare the effects of group prenatal care (GPC) and individual prenatal care (IPC) on perinatal health outcomes, including our primary outcomes of preterm birth (PTB < 37 weeks) and low birth weight (< 2500 g).
Data Sources:
We searched Medline, Embase, CINAHL, and the references of selected articles.
Study Selection:
Two reviewers independently performed each step of the systematic review. Of the 4178 non-duplicate titles and abstracts identified, 77 were selected for full-text review. An additional eight full-text articles were selected from reference lists. Overall, 85 full-text articles were reviewed. Studies included assessed maternal or infant health outcomes.
Data Extraction And Data Synthesis:
Two reviewers independently extracted data from eligible full-text articles. Statistical analyses were completed using Review Manager, version 5.0 (Copenhagen: The Nordic Cochrane Centre, Cochrane Collaboration, 2011), whereby dichotomous variables and continuous outcomes were analyzed using relative risk and mean difference, respectively. The random effects model was employed to pool data. Where available, adjusted data were used to assess the independent effect of GPC. Eight studies of mostly low quality (three randomized controlled trials and five cohort studies) were included, involving 3242 women, most at high risk. Women randomized to GPC had lower rates of PTB (RR 0.71; 95% CI 0.52 to 0.96), no difference in rates of LBW (RR 0.91; 95% CI 0.65 to 1.27) or IUGR (RR 0.85; 95% CI 0.61 to 1.19), fewer Caesarean sections (RR 0.80; 95% CI 0.67 to 0.93), and slightly higher rates of breastfeeding (RR 1.08; 95% CI 1.02 to 1.14).
Conclusion:
Studies comparing GPC with IPC are mostly of low quality and in high-risk groups, although two randomized studies, one a secondary analysis, showed improvement in some outcomes, including rates of PTB in women participating in GPC. In order to determine generalizability, more high-quality studies of GPC are needed.
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