Research ArticleResearch

Screen-guided care reduced NICU admissions from 16.4% to 12.8% in a nulliparous PRIME trial subgroup

The Journal of Maternal-Fetal & Neonatal Medicine (PubMed)Jul 8, 2026

AI-summarized from the linked source. Educational brief, not medical advice.

Brief summary

In a secondary analysis of 1,783 nulliparous participants from the 19-center PRIME randomized trial, a biomarker screen-guided, multicomponent care pathway reduced NICU admissions from 16.4% with routine care to 12.8%.

What NurseJet pulled from the source

The PRIME trial randomized 5,018 otherwise low-risk singleton pregnancies to routine care or a screen-guided strategy using the IGFBP4/SHBG biomarker ratio. This secondary analysis focused on 1,783 nulliparous participants, whose lack of prior obstetric history can make preterm-birth risk harder to identify. Participants in the screen-guided arm who screened as higher risk were offered vaginal progesterone, low-dose aspirin, and weekly telephone nursing support. Composite neonatal morbidity was lower with screen-guided care, and NICU admission occurred in 12.8% of the screen-guided group versus 16.4% with routine care (P=0.039), an adjusted OR of 0.75 (95% CI 0.57 to 0.98). The authors calculated that 28 nulliparous pregnancies would need screening to prevent one NICU admission; reductions were concentrated in spontaneous preterm births. No serious adverse events were reported in the screen-guided subgroup. Because this was a subgroup analysis of a multicomponent pathway, the effect cannot be assigned to screening, medication, or nursing follow-up alone.

Why this matters for nurses

First-time pregnancies lack a prior obstetric history to help identify preterm-birth risk, while obstetric nurses coordinate monitoring, education, and follow-up across pregnancy. This study matters because it tests a risk-guided pathway in that specific population and reports a neonatal outcome rather than screening performance alone.

Bedside takeaway

Worth knowing that a multicomponent, biomarker screen-guided pathway reduced NICU admission from 16.4% to 12.8% in a nulliparous PRIME subgroup, but the effect cannot be assigned to any one component.

Key takeaways

The secondary analysis included 1,783 nulliparous participants from a 5,018-participant, 19-center randomized trial.
Higher-risk participants in the screen-guided arm were offered progesterone, low-dose aspirin, and weekly telephone nursing support.
NICU admission was 12.8% with screen-guided care versus 16.4% with routine care (adjusted OR 0.75, 95% CI 0.57 to 0.98).
The multicomponent pathway and subgroup design prevent attributing the result to any single component.

Practice implications

For labor-and-delivery and prenatal teams, the findings support awareness of locally approved risk-screening pathways and reliable follow-up when a patient screens higher risk. They do not justify adopting this biomarker or changing aspirin or progesterone use outside institutional protocols and prescriber-directed care.

Limitations & cautions

This was a secondary subgroup analysis rather than the trial's full primary analysis. The screen-guided arm combined a biomarker test, progesterone, aspirin, and nursing calls, so the contribution of each component is unknown; findings apply to otherwise low-risk singleton nulliparous pregnancies and may not extend to other populations.
AI-summarized from the linked source. Review the original article before applying to practice.

Citations

Exact source links

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The Journal of Maternal-Fetal & Neonatal Medicine (PubMed)

The Journal of Maternal-Fetal & Neonatal Medicine (PubMed). Biomarker screen-guided care for preterm birth risk in nulliparous pregnancies: a subgroup analysis of the PRIME randomized controlled trial.

Open original source

https://pubmed.ncbi.nlm.nih.gov/42420160/

Professional education only

This summary does not replace clinical judgment, facility policy, provider orders, or official guidelines. Verify practice changes against the original source and local protocol.

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The analysis was restricted to births meeting selected low-risk criteria.
The study found no evidence that higher birth-center use during the pandemic years increased neonatal mortality.
The observational design cannot establish that birth setting itself caused the mortality pattern.

Why this matters on shift

The findings add national outcome data for counseling and systems planning around freestanding birth-center care for appropriately selected low-risk pregnancies.

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Apply local eligibility, surveillance, escalation, and transfer protocols when caring for planned low-risk birth-center patients.

Nursing implications

Keep eligibility, surveillance, escalation, and transfer decisions anchored to local birth-center criteria and maternal-newborn protocols.

Limitations & cautions

Abstract-only summary. The study used retrospective vital-record data, was limited to selected low-risk births, and cannot exclude residual differences between people who delivered in birth centers and hospitals.
AI-summarized from the linked source. Review the original article before applying to practice.

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Journal of midwifery & women's health (PubMed). Neonatal Mortality Risk Among Births in Freestanding Birth Centers, 2015 to 2024.

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The trial does not support empiric intravenous proton-pump inhibition for persistent vomiting in pediatric acute gastroenteritis after ondansetron.

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Clarify the indication for empiric acid suppression and keep hydration and oral-tolerance assessment central to care.

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Prioritize the ordered hydration and oral-tolerance plan, document ongoing emesis, and clarify the indication before administering empiric acid suppression.

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AI-summarized from the linked source. Review the original article before applying to practice.

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Verify each patient's established respiratory and cardiac plan during admissions and care transitions.

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During admissions and handoffs, verify the established ventilation, airway-clearance, and cardiac-monitoring plan and coordinate concerns with the multidisciplinary team.

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AI-summarized from the linked source. Review the original article before applying to practice.

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