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A model for a new pyramid of prenatal care based on the 11 to 13 weeks' assessment.
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Turning the pyramid of prenatal care.
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Fetal Diagn Ther 2011;29:183-96. -
Screening for adverse pregnancy outcome by ductus venosus Doppler at 11-13+6 weeks of gestation.
Maiz N, Valencia C, Emmanuel EE, Staboulidou I, Nicolaides KH.
Obstet Gynecol 2008;112:598-605. -
Cardiac defects in chromosomally normal fetuses with abnormal ductus venosus blood flow at 10-14 weeks.
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Ultrasound Obstet Gynecol 1999;14:307-10.