Aims: To evaluate the correlation between perinatal outcome and bile acid levels in intrahepatic cholestasis of pregnancy (ICP), and to evaluate variations in the mean bile acid level when stratifying by maternal and perinatal factors. A comparison between mild and severe ICP was made. Methods: A prospective observational study was performed in pregnant patients who underwent blood tests for bile acids due to persistent pruritus. Based on bile acid levels, maternal and neonatal data were obtained and were compared between patients presenting with ICP and gestational pruritus (normal bile acid level). Results: A total of 145 patients were included, 47 of whom were diagnosed as ICP (52 newborns) and 98 as gestational pruritus (102 newborns). The ICP group had a higher rate of NICU admission (14/42 vs. 6/98, p < 0.001) and global neonatal morbidity (13/42 vs. 9/98, p = 0.002), but these differences were no longer seen after adjusting for gestational age, singleton pregnancies and induction of labour. Patients presenting with severe ICP (maximum bile acids levels above 40 µmol/l) showed a higher rate of meconium-stained amniotic fluid (0/28 vs. 4/14, p = 0.009), NICU admission (9/34 vs. 11/17, p = 0.01) and neonatal global morbidity (5/32 vs. 8/17, p = 0.02). Conclusions: ICP patients have higher rates of adverse neonatal outcomes when compared to those with gestational pruritus. Some of this neonatal morbidity may be secondary to late spontaneous preterm deliveries, multiple gestation and a policy of elective induction of labour after 37 weeks of gestation. A comparison of outcomes among patients with mild and severe ICP shows that the severely affected group has higher rates of meconium-stained amniotic fluid and neonatal morbidity.

An enlargement of the fetal adrenal gland may be observed in gestational diabetes, not only related to birth weight, but also to distinctive features of diabetic pregnancies, such as fat tissue fetal deposits or maternal biochemical markers.

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The ultrasound discovery of an SUA implies the meticulous search for other associated malformations, and in the absence of these, the risk of a chromosomal abnormality is very low, unless it is a high-risk patient. However, the growth and wellbeing of the fetus must be carefully monitored in the last 3 months, although the ultrasound scan does not show any other associated alterations.

The hepatic changes in gestational diabetes were valid to predict birth weight and metabolic changes at birth.

Sectional areas and fractional volumes improve the predictive value of estimated fetal weight in diabetic pregnancies. They also show a predictive association to biochemical changes in cord (leptin, insulin and erythropoietin) related to increased adiposity and risk of fetal hypoxia. © 2015 John Wiley & Sons, Ltd.

Maternal weight-related and analytical parameters show diagnostic value to birth weight and cord markers.

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