Browsing by Author "5e8850bc-e8cb-408d-acf1-8a4463f8d5ef"

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First-trimester combined screening for trisomy 21 at 7-14 weeks' gestation.

Wright, D; Spencer, K; Kagan K, K; Tørring, N; Petersen, OB; Christou, A; Kallikas, J; Nicolaides, KH (England, 2010-10)

OBJECTIVE: To establish an algorithm for first-trimester combined screening for trisomy 21 with biochemical testing from 7 to 14 weeks' gestation and ultrasound testing at 11-13 weeks. METHODS: This was a multicenter study ...
Prospective study evaluating performance of first-trimester combined screening for trisomy 21 using repeat sampling of maternal serum markers PAPP-A and free β-hCG.

Ekelund, C; Wright, D; Ball, S; Kirkegaard, I; Nørgaard, P; Sørensen, S; Friis-Hansen, L; Jørgensen, FS; Tørring, N; Bech, BH; Petersen, OB; Tabor, A (England, 2012-09)

OBJECTIVE: To prospectively evaluate the performance of first-trimester combined screening for trisomy 21 using the biochemical markers pregnancy-associated plasma protein-A (PAPP-A) and free beta-human chorionic gonadotropin ...