Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Noninvasive blood tests for fetal development predict gestational age and preterm delivery

Thuy T. M. Ngo, Mira N. Moufarrej, Marie-Louise Hee Rasmussen, Joan Camuñas-Soler, Wenying Pan, Jennifer Okamoto, Norma Neff, Keli Liu, Ronald J. Wong, Katheryne Downes, Robert Tibshirani, Gary M. Shaw, Line Skotte, David K. Stevenson, Joseph Biggio, Michal A. Elovitz, Mads Melbye, Stephen R. Quake

Science · 2018

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Summary

This proof-of-concept study presents a low-cost, noninvasive approach to fetal development monitoring by measuring placental cell-free RNA transcripts in maternal blood. Two separate applications were demonstrated: prediction of gestational age and delivery date with ultrasound-comparable accuracy, and identification of women at elevated preterm delivery risk. The authors acknowledge that large-scale blinded clinical trials are required to validate clinical utility before widespread adoption, particularly in resource-limited settings.

Regional applicability

The noninvasive blood test approach could support UK prenatal care programmes by offering an accessible, cost-effective alternative or complement to ultrasound screening, particularly for routine monitoring in primary care settings. However, integration into UK practice would require validation in large clinical trials and assessment of implementation feasibility within NHS workflows.

Key measures

Placental cell-free RNA transcript levels in maternal serum; accuracy of gestational age prediction (compared to ultrasound); discrimination of preterm delivery risk

Outcomes reported

The study demonstrated two noninvasive blood tests using placental cell-free RNA transcripts measured in maternal serum: one predicted fetal gestational age and delivery date with ultrasound-comparable accuracy in a small proof-of-concept cohort, and another discriminated women at risk of preterm delivery from those delivering at term in a pilot study.

Theme
Measurement & metrics
Subject
Maternal, infant & child nutrition
Study type
Research
Study design
Proof-of-concept study with pilot validation
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
DOI
10.1126/science.aar3819
Catalogue ID
SNmohdw7hp-4qjkk3

Topic tags

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