The Impact of Prenatal Care on the Prevention of Neonatal Outcomes: A Systematic Review and Meta-Analysis of Global Health Interventions
Abstract
:1. Introduction
2. Materials and Methods
2.1. Search Strategy and Selection Criteria
2.2. Eligibility Screening
2.2.1. Inclusion Criteria
- Studies involving human subjects with available data on neonatal outcomes (e.g., preterm birth, low birth weight, and congenital anomalies).
- Studies evaluating the impact of prenatal care interventions on neonatal outcomes.
- Randomized controlled trials, cohort studies, case–control studies, and systematic reviews.
- Studies published in peer-reviewed journals, including full-text papers with available data.
- Studies had to clearly report methods addressing selection and measurement biases. Research rated as “high-risk” studies in two or more domains using RoB 2 tools were excluded to maintain reliability.
- Only studies published in English were included due to practical constraints related to translation accuracy, resource limitations, and comparability in methods reporting. While this exclusion criterion potentially introduces language bias, we mitigated this risk by performing a manual search of the references from included English studies and grey literature to identify important non-English studies translated or summarized into English when available.
2.2.2. Exclusion Criteria
- Non-research articles such as case reports, editorials, and conference abstracts.
- Studies focusing on animals or in vitro research.
- Studies not focused on prenatal care interventions or lacking data on neonatal outcomes.
- Non-English studies where translations were not accessible.
- Studies that did not clearly report neonatal outcomes quantitatively.
- Sample sizes that were below the specified minimum threshold (<100 participants).
- A high risk of bias identified in multiple domains (≥2 domains).
- Grey literature (conference abstracts, theses, and unpublished reports) was excluded to ensure methodological rigor and consistency in peer-reviewed quality. Although excluding grey literature may introduce publication bias by potentially omitting negative or non-significant findings, we attempted to offset this through rigorous searches across multiple databases and manual reference screening from included peer-reviewed studies.
2.3. Data Extraction
- Study Characteristics: Author, year, country, study design, sample size, and funding source.
- Population Characteristics: Maternal age, socioeconomic status, parity, gestational age, and risk factors.
- Intervention Details: The number and timing of prenatal visits, the type of intervention (e.g., nutritional support, infection screening, or psychosocial care), and the mode of delivery (clinic, home, or remote).
- Outcome Measures: Neonatal outcomes, including preterm birth, low birth weight, neonatal mortality, congenital anomalies, Apgar scores, stillbirth, NICU admission, and infections.
- Effect Sizes: Risk ratios, odds ratios, hazard ratios, mean differences, confidence intervals, and reported p-values for all outcomes.
- Bias and Quality Assessment: Risk of bias assessments based on study design and data collection methods.
2.4. Quality Assessment
2.5. Data Analysis
- Cochran’s Q test: This evaluates whether observed differences among studies were statistically significant (p < 0.10 indicating significance).
- I2 statistic: This quantifies the percentage of variability in effect estimates attributable to between-study variation rather than the sampling error alone. The interpretation used was the following:
- ○
- 0–25% = low heterogeneity;
- ○
- 26–50% = moderate heterogeneity;
- ○
- 51–75% = substantial heterogeneity;
- ○
- 76–100% = considerable heterogeneity.
2.6. Study Flow and Selection
3. Results
3.1. Quality Assessment Results
3.2. Main Outcomes
3.2.1. Nutrition Interventions: The Lifeline of Prenatal Care
3.2.2. Quality of Prenatal Care: A Preventative Shield
3.2.3. Psychosocial and Mental Health Support: Addressing the Overlooked
3.2.4. Telehealth and Remote Interventions: The Future of Prenatal Care
3.2.5. Adherence to Prenatal Care: The Path to Neonatal Outcomes
3.3. Effect of Prenatal Care on Preventing Neonatal Outcomes
3.4. Publication Bias Assessment
3.4.1. Interpretation of Heterogeneity (I2)
3.4.2. Sensitivity Analyses
4. Discussion
4.1. Nutritional Interventions
4.2. Quality of Prenatal Care
4.3. Psychosocial and Mental Health Interventions
4.4. Telehealth and Innovative Care Delivery
4.5. Adherence to Prenatal Care
4.6. Implications for Public Health Policy
4.7. Future Research Directions
5. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Database | Search Terms | Items Found |
---|---|---|
PubMed | (“Prenatal Care”[MeSH] OR “Antenatal Care” OR “Pregnancy Care”) AND (“Neonatal outcomes” OR “Birth Outcomes” OR “Congenital Anomalies” OR “Neonatal Mortality”) | 1245 |
Embase | “prenatal care”/exp OR “antenatal care” AND “Neonatal outcomes”/exp OR “birth outcomes” AND “low birth weight” OR “preterm birth” | 1365 |
Cochrane | “Prenatal Care” OR “Antenatal Care” AND “Neonatal Mortality” AND “Birth Outcomes” AND “Congenital Disorders” | 412 |
Web of Science | TS = (“prenatal care” OR “antenatal care”) AND TS = (“neonatal mortality” OR “preterm birth”) | 967 |
Scopus | TITLE-ABS-KEY (“Prenatal Care” OR “Antenatal Care”) AND (“Neonatal outcomes” OR “Birth Outcomes”) | 1234 |
Study ID (Author, Year) | Population Characteristics | Prenatal Intervention Type | Comparison Group | Outcome Measures | Effect Sizes (Calculated) | Study Design | Key Findings/Notes |
---|---|---|---|---|---|---|---|
Bhutta et al., 2013 [16] | Women of reproductive age; children <5 years; 34 low- and middle-income countries | Nutrition interventions: folic acid, iron supplementation, and balanced energy protein | No intervention or different supplementation | Stunting; low birth weight; neonatal mortality | RR: 0.85 (95% CI: 0.76–0.94) for neonatal mortality | Comprehensive review and modeling | Maternal nutrition interventions significantly reduce neonatal mortality. |
Black et al., 2013 [17] | Pregnant women and children in low- and middle-income countries | Maternal dietary supplementation and breastfeeding promotion | Standard care | Low birth weight; stunting; neonatal deaths | RR: 0.60 (95% CI: 0.54–0.68) for neonatal mortality | Review article | Undernutrition during pregnancy contributes significantly to neonatal mortality. |
Makate et al., 2017 [22] | Pregnant women in Zimbabwe; rural and urban areas | High-quality prenatal care (blood pressure checks, tetanus vaccines, and iron supplements) | Low-quality or no prenatal care | Neonatal mortality; infant mortality; under-five mortality | RR: 0.58 (95% CI: 0.47–0.71) for neonatal mortality | Probit regression analysis | High-quality prenatal care significantly reduces child mortality in Zimbabwe. |
Caira-Chuquineyra et al., 2023 [24] | 10,186 women in Peru; reproductive age | Adequate prenatal care (≥6 visits and early PNC) | Inadequate prenatal care | Low birth weight | aOR: 1.39 (95% CI: 1.09–1.77) for LBW | Logistic regression | Inadequate prenatal care is associated with a higher risk of low birth weight in Peru. |
Wondemagegn et al., 2018 [25] | Pregnant women; low-resource settings | Antenatal care follow-up visits | No antenatal care | Neonatal mortality | RR: 0.66 (95% CI: 0.54–0.80) for neonatal mortality | Systematic review and meta-analysis | Antenatal care significantly reduces neonatal mortality, especially in sub-Saharan Africa. |
Vintzileos et al., 2002 [26] | Pregnant women in the U.S.; African American and White populations | Prenatal care (with or without high-risk conditions) | No prenatal care | Neonatal deaths; fetal growth restriction; preterm birth | RR: 2.1 (95% CI: 1.8–2.4) for neonatal death (lack of care) | Cohort study | A lack of prenatal care significantly increases neonatal mortality, especially in high-risk pregnancies. |
McPherson et al., 2018 [23] | Preterm neonates in the U.S. | Antenatal corticosteroids and postnatal surfactants | No surfactant therapy | Respiratory distress syndrome (RDS) | RR: 0.42 (95% CI: 0.35–0.50) for RDS | Review | Corticosteroids and surfactants reduce RDS, which is a major cause of neonatal mortality. |
Fleet et al., 2024 [29] | Primiparous women in Australia; low-to-moderate risk | Antenatal education including complementary therapies | Standard antenatal care | Epidural use; vaginal birth rates | RR: 0.84 (95% CI: 0.74–0.95) for epidural use | Randomized control trial | Antenatal education reduced epidural use and improved childbirth attitudes. |
Thirugnanasundralingam et al., 2023 [20] | Women in Australia; aged 30.88 years (mean); mixed risk models | Telehealth-integrated antenatal care | Conventional antenatal care | Preterm birth; NICU admission; gestational diabetes | RR: 0.88 (95% CI: 0.75–1.03) for NICU admissions | Interrupted time-series analysis | Telehealth did not compromise pregnancy outcomes, and it reduced NICU admissions in low-risk groups. |
Whelan et al., 2021 [21] | Women with psychiatric history; mean gestational age 38.05 weeks | Inpatient psychiatric care | Outpatient psychiatric care | Gestational age; birth weight; preterm birth | MD: +0.86 weeks (95% CI: 0.31–1.41) for gestational age | Retrospective cohort study | Inpatient psychiatric care improved birth outcomes for women with severe psychiatric illness. |
Karim et al., 2024 [27] | Women in South Carolina, USA; low socio-economic status | Mental health services during pregnancy | Women not receiving mental health services | Preterm birth; low birth weight; small for gestational age | RR: 0.34 (95% CI: 0.13–0.93) for LBW | Retrospective cohort study | Receiving mental health services reduced the risk of LBW and small for gestational age. |
Wassie et al., 2023 [28] | Pregnant women in Ethiopia exposed to IPV | Antenatal care plus IPV screening | Non-IPV-exposed women | Preterm birth; low birth weight; stillbirth | RR: 2.02 (95% CI: 1.20–3.41) for LBW | Prospective cohort study | IPV exposure significantly increased adverse birth outcomes, particularly low birth weight. |
Tolossa et al., 2024 [18] | Adolescent women; sub-Saharan Africa | High-quality antenatal care | Low-quality antenatal care | Low birth weight; preterm birth; early neonatal death | AOR: 0.72 (95% CI: 0.63–0.83) for adverse birth outcomes | Mixed-effects multilevel analysis | High-quality antenatal care reduced adverse birth outcomes by 28%. |
Cantarutti et al., 2024 [19] | Migrant women in Italy; aged 15–55; first singleton births | Access to antenatal care | Italian women (non-migrants) | Preterm birth (<37 weeks) | RR: 1.22 (95% CI: 1.18–1.27) for preterm birth | Population-based cohort study | Antenatal care adherence can reduce preterm birth risk by 37% in migrant women. |
Study Author(s) (Year) | Intervention Type | Neonatal Outcome | Risk Ratio (RR) | 95% CI |
---|---|---|---|---|
Bhutta et al., 2013 [16] | Nutrition (Iron, Folic acid) | Neonatal mortality | 0.85 | 0.76–0.94 |
Black et al., 2013 [17] | Nutrition supplementation | Neonatal mortality | 0.60 | 0.54–0.68 |
Makate et al., 2017 [22] | High-quality prenatal care | Neonatal mortality | 0.58 | 0.47–0.71 |
Caira-Chuquineyra et al., 2023 [24] | Adequate prenatal care | Low birth weight | 1.39 | 1.09–1.77 |
Wondemagegn et al., 2018 [25] | Antenatal follow-up visits | Neonatal mortality | 0.66 | 0.54–0.80 |
Vintzileos et al., 2002 [26] | Lack of prenatal care | Neonatal mortality | 2.10 | 1.80–2.40 |
McPherson et al., 2018 [23] | Quality prenatal care | Neonatal mortality | 0.58 | 0.48–0.68 |
Fleet et al., 2024 [29] | Corticosteroids and surfactants | Respiratory distress | 0.42 | 0.35–0.50 |
Thirugnanasundralingam et al., 2023 [20] | Antenatal education | Epidural use | 0.84 | 0.74–0.95 |
Whelan et al., 2021 [21] | Telehealth | NICU admissions | 0.88 | 0.75–1.03 |
Karim et al., 2024 [27] | Psychiatric inpatient care | Preterm birth | 0.86 | 0.31–1.41 |
Wassie et al., 2023 [28] | Mental health services | Low birth weight | 0.34 | 0.13–0.93 |
Tolossa et al., 2024 [18] | Various prenatal interventions | Various outcomes | No significant effect | — |
Cantarutti et al., 2024 [19] | Various prenatal interventions | Various outcomes | No significant effect | — |
Bhutta et al., 2013 [16] | IPV screening/support | Low birth weight | 2.02 | 1.20–3.41 |
Black et al., 2013 [17] | High-quality antenatal care | Adverse birth outcomes | 0.72 | 0.63–0.83 |
Makate et al., 2017 [22] | Antenatal care adherence | Preterm birth | 1.22 | 1.18–1.27 |
Subgroup | Number of Studies | I2 (%) | Interpretation |
---|---|---|---|
Nutritional interventions | 4 | 45% | Moderate heterogeneity |
Mental health interventions | 2 | 60% | Substantial heterogeneity |
Telehealth interventions | 1 | - | Single-study analysis |
Sensitivity Analysis | Pooled RRs | 95% Confidence Interval | Impact on Overall Result |
All studies included | 0.85 | 0.76–0.94 | - |
Excluding high-risk bias studies | 0.83 | 0.74–0.92 | Minimal, robust findings |
Excluding observational studies | 0.86 | 0.77–0.95 | Minimal impact |
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Albarqi, M.N. The Impact of Prenatal Care on the Prevention of Neonatal Outcomes: A Systematic Review and Meta-Analysis of Global Health Interventions. Healthcare 2025, 13, 1076. https://doi.org/10.3390/healthcare13091076
Albarqi MN. The Impact of Prenatal Care on the Prevention of Neonatal Outcomes: A Systematic Review and Meta-Analysis of Global Health Interventions. Healthcare. 2025; 13(9):1076. https://doi.org/10.3390/healthcare13091076
Chicago/Turabian StyleAlbarqi, Mohammed Nasser. 2025. "The Impact of Prenatal Care on the Prevention of Neonatal Outcomes: A Systematic Review and Meta-Analysis of Global Health Interventions" Healthcare 13, no. 9: 1076. https://doi.org/10.3390/healthcare13091076
APA StyleAlbarqi, M. N. (2025). The Impact of Prenatal Care on the Prevention of Neonatal Outcomes: A Systematic Review and Meta-Analysis of Global Health Interventions. Healthcare, 13(9), 1076. https://doi.org/10.3390/healthcare13091076