In this Series paper, we review trends since the 2005 Lancet Series on Neonatal Survival to
inform acceleration of progress for newborn health post-2015. On the basis of multicountry …

Fetal growth restriction (FGR) diagnosed before 32 weeks is identified by fetal smallness
associated with Doppler abnormalities and is associated with significant perinatal morbidity …

Objective Estimated fetal weight (EFW) and fetal biometry are complementary measures
used to screen for fetal growth disturbances. Our aim was to provide international EFW …

Objectives To estimate small for gestational age birth prevalence and attributable neonatal
mortality in low and middle income countries with the INTERGROWTH-21 st birth weight …

Objective Accurate gestational‐age (GA) estimation, preferably by ultrasound measurement
of fetal crown–rump length before 14 weeks' gestation, is an important component of high …

Objectives There are no international standards for relating fetal crown–rump length (CRL)
to gestational age (GA), and most existing charts have considerable methodological …

Objective To describe patterns in maternal gestational weight gain (GWG) in healthy
pregnancies with good maternal and perinatal outcomes. Design Prospective longitudinal …

Importance Preterm birth has been difficult to study and prevent because of its complex
syndromic nature. Objective To identify phenotypes of preterm delivery syndrome in the …

Importance Zika virus (ZIKV) is a mosquito-borne flavivirus recognized as teratogenic since
the 2015 to 2016 epidemic. Antenatal ZIKV exposure causes brain anomalies, yet the full …

There is little evidence evaluating angiogenic growth factor testing in real-world obstetric
settings. This investigation evaluated maternal and perinatal pregnancy outcomes …