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An epidemiologic study by researchers at Brown University shows a strong association between air pollution and reduced fetal growth. And the greater the exposure to pollution, the bigger the negative impact, according to a report in the American Journal of Epidemiology.

According to a new retrospective cohort study in Obstetrics & Gynecology, timely initiation of progestin in women with a history of preterm delivery is associated with a reduction in spontaneous preterm delivery.

Risk of fetal and infant death is substantially increased in women with pre-existing diabetes, according to results of a new study in Diabetologia. The population-based analysis is one of few to exclude the effect of congenital anomalies and suggests that the association is largely influenced by glycemic control.

Fetal Growth Restriction

Growth-restricted fetuses pose many clinical conundrums: How to identify them? How to distinguish the small and normal from the small and abnormal? How to manage them?

A retrospective analysis of more than 400,000 U.S. births over nearly 6 years shows that delivery of triplets or more costs 20 times as much as a singleton. Published in The American Journal of Obstetrics and Gynecology, the report may be the first to look at medical expenses for both maternal and infant care associated with IVF-assisted pregnancy.

Pregnant patients who have undergone some form of bariatric surgery are at greater risk of preterm birth than women who haven’t had the procedure, according to a study published in the British Medical Journal. The risk of small for gestational age (SGA) was also increased in women with previous bariatric surgery.