How accurate is ultrasound for dating pregnancy

What week in pregnancy is most accurate in ultrasound.

So unless there was some error made with your 18 week ultrasound, your due date should stay in February.

How accurate are dating ultrasounds at 6 weeks?

A registered nurse with more than 25 years of experience in oncology, labor/delivery, neonatal intensive care, infertility and ophthalmology, Sharon Perkins has also coauthored and edited numerous health books for the Wiley "Dummies" series.

<b>How</b> <b>accurate</b> are <b>ultrasound</b> <b>dating</b> scans? - <b>Pregnancy</b>

How accurate are ultrasound dating scans? - Pregnancy

Perkins also has extensive experience working in home health with mediy fragile pediatric patients.With transvaginal ultrasound, checking for embryonic development known to occur within a certain time frame more accurately dates a pregnancy.

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Before the advent of routine ultrasound in pregnancy, medical personnel estimated a baby’s due date by the date of the last menstrual period and by feeling the uterus and determining the size to see if it matched the given due date.

How accurate is ultrasound for dating pregnancy:

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