a payment or fee exacted by the state, the local authorities, etc., for some right or privilege, as for passage along a road or over a bridge. the extent of loss, damage, suffering, etc., resulting from some action or calamity: The toll was 300 persons dead or missing.
Intrauterine Growth Restriction (IUGR); Small for Gestational Age (SGA) The most common definition of intrauterine growth restriction (IUGR) is a fetal weight that is below the 10th percentile for gestational age as determined through an ultrasound. This can also be called small-for gestational age (SGA) or fetal growth restriction. There are basically two different types of IUGR:
IgG is the only immunoglobulin that can pass through the placenta. The mother's IgG antibodies provide protection to the fetus during pregnancy and to the baby during its first few months of life. There are four subclasses of IgG: IgG 1, IgG 2, IgG 3, and IgG 4.