Evidence map›Paper›PMID 38789071›Full record

ArticleAmerican journal of obstetrics and gynecology2025

Prepregnancy physiology and subsequent preterm preeclampsia.

Ira M Bernstein, Gary J Badger, Carole A McBride

Abstract read
In one paragraph

Article in American journal of obstetrics and gynecology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Endothelial Dysfunction in Preeclampsia: Focus on the Uteroplacental Circulation.Arteriosclerosis, thrombosis, and vascular biology · 2026
    Review
  4. Review
  5. Article
  6. Article
  7. Prediction of preeclampsia before 11AJOG global reports · 2025
    Article
  8. Observational
  9. Article
  10. Understanding a Potential Role for the NLRP3 Inflammasome in Placenta-Mediated Pregnancy Complications.American journal of reproductive immunology (New York, N.Y. : 1989) · 2025
    Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Ira M BernsteinDepartment of Obstetrics, Gynecology and Reproductive Sciences, Robert Larner College of Medicine, University of Vermont, Burlington, VT. Electronic address: Ira.bernstein@med.uvm.edu.
Gary J BadgerDepartment of Biomedical Statistics, Robert Larner College of Medicine, University of Vermont, Burlington, VT.
Carole A McBrideDepartment of Obstetrics, Gynecology and Reproductive Sciences, Robert Larner College of Medicine, University of Vermont, Burlington, VT.

Funding

Prepregnancy Phenotype &Predisposition to Pre-eclampsiaR01HL071944 · NHLBI · UNIVERSITY OF VERMONT &ST AGRIC COLLEGE · PI BERNSTEIN, IRA MARK · 2004 to 2014
$3.0M
NHLBI NIH HHS R01 HL071944
6 · The paper itself

Abstract

backgroundPreeclampsia is a common pregnancy complication with debated etiology.

objectiveTo evaluate the contribution of prepregnancy physiology, biochemistry, and anthropometrics to the subsequent development of preterm preeclampsia. STUDY

designOne hundred twenty-four participants were recruited through open recruitment and targeted mailings. Participants included 81 nulliparous women and 43 with a history of preterm preeclampsia. We characterized cardiovascular function, metabolic profile, and body composition in 100 nonpregnant women who went on to subsequent pregnancy. Measures included plasma volume, baseline cardiovascular function and cardiovascular response to volume challenge, body composition, and circulating biochemical measures. Pregnancy outcome was obtained through chart review. Prepregnancy metrics for women who developed preterm preeclampsia were compared with measurements for those who did not, with adjustment for a history of prior preterm preeclampsia. Logistic regression modeling was used to identify the strongest prepregnancy factors associated with preterm preeclampsia.

resultsPregnancy outcomes included 11 women with preterm preeclampsia, 7 women with term preeclampsia, 20 women with other hypertension affecting their pregnancy, and 62 with uncomplicated pregnancies. We observed no difference in maternal age, study cycle day, lean body mass, uterine hemodynamics, or flow-mediated dilation across groups. Women with preterm preeclampsia had greater android fat content 3215±1143 vs 1918±1510 g (P=.002), faster supine pulse, 77±7 vs 67±10 beats per minute (P=.001), higher supine diastolic blood pressure 82±6 vs 68±6 mmHg (P<.001), increased cardiac output 5.6±1.1 vs 4.6±1 L/min (P=.002), faster aortic-popliteal pulse wave velocity 4.5±0.7 vs 3.8±0.5 m/sec (P<.001), and exaggerated cardiac output response to volume challenge 20±9 vs 9±12 L/min (P=.002) compared to those with other pregnancy outcomes. Women who developed preterm preeclampsia also had reduced renal vascular resistance index 0.86±0.08 vs 0.97±0.12 (P=.005) compared with other pregnancy outcomes when assessed prior to pregnancy. Women with subsequent preterm preeclampsia had higher serum c-reactive protein 10.7±12.5 vs 4.1±5.8 mg/mL (P=.003) and greater insulin resistance, as assessed by Homeostatic Model Assessment for Insulin Resistance calculation 2.2±1.1 vs 1.2±0.9 (P<.001).

conclusionPrepregnancy physiology is linked to subsequent preterm preeclampsia. The same factors associated with metabolic syndrome are more prominent in patients who develop preterm preeclampsia than those who do not, including increased vessel stiffness, low vascular compliance, high cardiac output, reduced renal vascular resistance index, insulin resistance, and increased android fat, all consistent with subclinical features of the metabolic syndrome.

Indexed as

Pre-EclampsiaAdultBlood PressureBody CompositionC-Reactive ProteinFemaleHumansInsulin ResistancePlasma VolumePregnancyPregnancy OutcomeYoung AdultC-Reactive Proteincardiovascularinflammationinsulin resistancephenotypepreeclampsiapreterm delivery

Identifiers

PMID38789071
PMCPMC11584342

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.