Can Heart Failure Blood Tests Be Used During Pregnancy? A Review of BNP in Pregnant Women
BNP and NT-proBNP are well-established heart failure markers, but their clinical utility during pregnancy remains limited due to physiological changes.
Quick Facts
What This Study Found
BNP/NT-proBNP show promise for cardiac assessment in pregnancy but are limited by physiological elevations and lack of pregnancy-specific reference ranges.
Key Numbers
No specific thresholds established; reviews available literature on BNP/NT-proBNP in pregnancy.
How They Did This
Systematic review of Medline, PubMed, Cochrane Register, and Cochrane Database on BNP use in pregnancy.
Why This Research Matters
Cardiac disease in pregnancy is a leading cause of maternal death — better diagnostic tools could save lives.
The Bigger Picture
Establishing pregnancy-specific cardiac biomarker thresholds would fill a major gap in obstetric cardiovascular care.
What This Study Doesn't Tell Us
Limited and heterogeneous evidence base. Pregnancy-specific reference ranges remain undefined.
Questions This Raises
- ?What BNP cutoffs should be used for heart failure diagnosis in pregnant women?
- ?Can serial BNP measurements improve risk stratification during pregnancy?
Trust & Context
- Key Stat:
- Limited utility Physiological BNP elevation during normal pregnancy complicates heart failure diagnosis
- Evidence Grade:
- Systematic review — good methodology but limited by the sparse and heterogeneous evidence base.
- Study Age:
- Published in 2025, addressing an ongoing gap in obstetric cardiology.
- Original Title:
- Usefulness of brain-type natriuretic peptide (BNP) levels in pregnancy.
- Published In:
- Obstetric medicine, 1753495X251398074 (2025)
- Authors:
- Quek, Stuart, Zill-E-Huma, Rabia, Andrews, Mark, Mouyis, Maria
- Database ID:
- RPEP-13155
Evidence Hierarchy
Summarizes existing research without a strict systematic method.
What do these levels mean? →Frequently Asked Questions
Can BNP tests detect heart problems during pregnancy?
BNP shows promise but normal pregnancy raises BNP levels, making it harder to distinguish normal changes from heart failure without pregnancy-specific cutoffs.
Why is heart disease dangerous in pregnancy?
Pregnancy puts extra strain on the heart, and cardiac disease is a leading cause of maternal death — early detection is critical but current tools have limitations.
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Cite This Study
https://rethinkpeptides.com/research/RPEP-13155APA
Quek, Stuart; Zill-E-Huma, Rabia; Andrews, Mark; Mouyis, Maria. (2025). Usefulness of brain-type natriuretic peptide (BNP) levels in pregnancy.. Obstetric medicine, 1753495X251398074. https://doi.org/10.1177/1753495X251398074
MLA
Quek, Stuart, et al. "Usefulness of brain-type natriuretic peptide (BNP) levels in pregnancy.." Obstetric medicine, 2025. https://doi.org/10.1177/1753495X251398074
RethinkPeptides
RethinkPeptides Research Database. "Usefulness of brain-type natriuretic peptide (BNP) levels in..." RPEP-13155. Retrieved from https://rethinkpeptides.com/research/quek-2025-usefulness-of-braintype-natriuretic
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkPeptides research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.