menstrual dating

menstrual dating

An estimate of the age of a fetus or of a term, preterm, or postterm newborn infant determined by the number of days orweeks since the mother's last menstrual period.
References in periodicals archive ?
A non-systematic search in the PubMed was undertaken using terms "birthweight" combined with "gestational age," "menstrual dating," "ultrasound dating," "estimated fetal weight," "customized growth charts," "malformation," "stillbirth," "family influence," and "individualized BW ratio," respectively.
Estimation of gestational age by early ultrasound reduces estimated gestation age in comparison to menstrual dating. Clinically, use of early ultrasound dating instead of menstrual dating is recommended, unless ultrasound is not available [8].