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Table 1 Information retrieved from hospital and medical records in the AOB study

From: The All Our Babies pregnancy cohort: design, methods, and participant characteristics

Maternal history
Smoking, drug dependent
Pre-existing diabetes, heart disease, hypertension
Chronic renal disease, other chronic disorder, auto immune conditions
Maternal past pregnancy history
Previous term births, past preterm birth, previous preterm deliveries
Number of previous c-sections
Abortion, stillbirth(s), neonatal death, major congenital anomaly
History of intrauterine growth restriction, SGA, LGA
Indicated pregnancy
Smoking, drinking
Date admitted to labour and delivery
Assisted conception
Gravidity, parity
Maternal height <=152cm, maternal weight (<=45Kg, >=91Kg), poor weight gain
Antepartum risk score
Pregnancy complications/problems
Infection in pregnancy (GBS, HIV, HepB, other), fever, UTI
Poly/oligo, ROM <37 wks, bleeding
Pregnancy induced hypertension, gestational diabetes
Proteinuria, anemia
Cerclage, pre-eclampsia, eclampsia, abruption, prolonged premature rupture of membranes, placenta previa,
Intrauterine growth restriction, polyhydramnios, chorioamnionitis
Delivery
Site, type of delivery provider
Multiple pregnancy, maternal age at delivery, gestation, pregnancy >=41 weeks
Admitted for elect c-section, reason for operative delivery
Indication for induction, cervical dilatation at presentation, type of delivery, delivery mode
(Fetal) presentation in labour, trial of labour
Method of induction (oxytocin, artificial rupture of membranes, other)
Narcotics in labour, epidural in labour, Antenatal steroids, use of intrapartum antibiotics
Second stage (minutes), third stage (minutes)
Fetal
Neonatal gender, birth weight, date/time, disposition
5 minute Apgar score
Meconium, resuscitation
NICU admission, congenital anomaly
Maternal
Maternal discharge date, maternal discharge disposition, length of stay
Breastfeeding at discharge