Maternal data that are prospectively collected are: pregnancy duration, preeclampsia (de novo BP ≥140/90 mmHg > 20 weeks with proteinuria or signs of end-organ dysfunction), eclampsia, HELLP syndrome (according to the Tenessee criteria) [36 ], gestational hypertension (de novo BP ≥140/90 mmHg > 20 weeks), preexisting hypertension, pregnancy-induced cholestasis, ultrasound data on the presence of hydramnios (amniotic fluid index >25 cm), abdominal circumference ≥ P95 and estimated fetal weight ≥ P90 or ≤ P10.
Delivery data that are prospectively collected are: type of labor (spontaneous, induced or caesarean before labor) and the indications if appropriate, type of delivery (spontaneous vaginal, forceps or vacuum, caesarean section during labor or planned caesarean section) and the indications if appropriate.
Neonatal data that are prospectively collected are: macrosomia (>4 Kg), LGA (birth weight >90 percentile according to standardized Flemish birth charts adjusted for sex of the baby and parity), small for gestational age (birth weight <10 percentile according to standardized Flemish birth charts adjusted for sex of the baby and parity), preterm delivery (<37 completed weeks), 1 and 5 min Apgar score, shoulder dystocia, birth trauma, neonatal respiratory distress syndrome, congenital anomalies, neonatal hypoglycaemia, neonatal jaundice, hypocalcaemia, hypomagnesemia, polycythaemia and duration and indication for admission on the neonatal intensive care unit. Neonatal blood analyses are only done if there is a clinical warning sign in accordance with local practice.
Researchers are asked to evaluate whether the main reason of the maternal and neonatal complications and management is related to diabetes or GDM.
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