Method for Estimating Due Date. ... Ultrasound dating in the second trimester typically is based on regression formulas ... First- vs second-trimester ultrasound: ...

Second trimester morphology; Third ... First Trimester / Dating Ultrasound. ... A first trimester ultrasound will usually include each of the following components ...

Issues in Pregnancy Dating: Revisiting the ... as 70% with early ultrasound dating in the first trimester, ... First- vs second trimester ultrasound: ...

First trimester ultrasounds. en ... When will I have my first ultrasound? Can the dating ultrasound tell ... Bear in mind that you may need a second ultrasound before ...

BMC Pregnancy and Childbirth. ... discrepancies between early second trimester ultrasound-based and LMP-based ... of a first-trimester dating ultrasound, ...

First- vs second-trimester ultrasound: the effect on pregnancy dating and perinatal outcomes. ... Pregnancy Trimester, First* Pregnancy Trimester, Second* Pregnancy, ...

second-trimester ultrasound dating disagrees with last menstrual period: ... higher than those based on an early second-trimester ultrasound (data not shown).

FEBRUARY JOGC FÉVRIER 2014 l 173 Determination of Gestational Age by Ultrasound Dating Based on Menstrual History Dating by certain menstrual history is inexpensive and

First- vs second-trimester ultrasound: the effect on pregnancy dating and perinatal outcomes ... First- vs second-trimester ultrasound: ...

This article is from BMC Pregnancy and Childbirth, volume 12.AbstractBackground: When an ultrasound-based estimate of gestational age (GA) is less (greater)...