number of fetuses with external malformations to total number of live fetuses ratio +
number of fetuses with skeletal malformations to total number of fetuses ratio +
A calculated measurement in which the number of fetuses with skeletal malformations is divided by the total number of fetuses in the prospective litter, and the result presented as a ratio, fraction, quotient or percentage.
number of fetuses with visceral malformations to total number of fetuses ratio +