Published in The Lancet, the findings are from a randomised controlled trial conducted in 11 maternity units in the UK that enrolled women aged 18 and older with suspected preeclampsia between 20 weeks and 36 weeks 6 days gestation. All 1 019 received usual care and were tested for PIGF, but in 446 cases, results of the testing were revealed to their clinicians whereas in 573 cases, the results were concealed.

Preeclampsia can lead to serious complications, yet it is often asymptomatic and can be difficult to diagnose.

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