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. 2019 Oct 28;9(10):e031700. doi: 10.1136/bmjopen-2019-031700

Table 1.

Additional information on inclusion criteria

Inclusion criteria Additional definitions or criteria (other than exclusion criteria)
1 Pre-eclampsia Defined as:
  • Hypertension (diastolic blood pressure >90 mmHg and/or systolic blood pressure >140 mm Hg with proteinuria following International Society for the study of Hypertension in Pregnancy criteria at the time of study design (fetal growth restriction (FGR) is defined below).19

  • No restriction on use of oral antihypertensive medication.

2 Preterm rupture of membranes
  • No present contractions

  • Cephalic or breech position, with engaged fetal head or breech.

3 FGR Defined as:
  • Fetal abdominal circumference (fAC) or estimated fetal weight (EFW) <10th percentile and abnormal Doppler sonography assessment defined as pulsatility index of umbilical artery >p95 and/or absence or reversed end diastolic flow velocity flow of umbilical artery.

  • fAC or EFW <p3 with or without abnormal umbilical artery Doppler flow.

4 Recurrent reduced fetal movements
5 Fetal anomaly requiring daily monitoring
6 Intrauterine fetal death in previous pregnancy