13 and 11

OBJECTIVE The purpose of this study was to examine the sonographic features of trisomy 13 at 11 to 13(+6) weeks of gestation. STUDY DESIGN This was a retrospective study that examined the features of trisomy 13 at the ultrasound scan at 11 to 13(+6) weeks of gestation, which in our center is performed for the measurement of crown-rump length, nuchal translucency thickness, and fetal heart rat...

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Maternal serum placental protein 13 at 11-13 weeks of gestation in preeclampsia.

Journal: :Prenatal diagnosis 2009

Ranjit Akolekar Argyro Syngelaki Jarek Beta Rafal Kocylowski Kypros H Nicolaides

OBJECTIVE To examine the potential value of maternal serum concentration of placental protein 13 (PP13) at 11-13 weeks' gestation in screening for preeclampsia (PE). METHODS Serum PP13, PAPP-A and uterine artery pulsatility index (PI) were determined in a case-control study of 208 cases that developed PE including 48 that required delivery before 34 weeks (early-PE) and 416 unaffected control...

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