Artigo Revisado por pares

Maternal serum human chorionic gonadotropin levels in twin pregnancies

1991; Wiley; Volume: 11; Issue: 7 Linguagem: Inglês

10.1002/pd.1970110709

ISSN

1097-0223

Autores

Linda M. Nebiolo, William M. Adams, Susan L. Miller, Aubrey Milunsky,

Tópico(s)

Congenital Anomalies and Fetal Surgery

Resumo

Abstract Introduction of combined screening with maternal serum alpha‐fetoprotein and human chorionic gonadotropin (MShCG) assays for fetal chromosome defects requires establishment of the normal range for twins. This report documents that the normal range for MShCG between 15 and 19 weeks in twin gestations was 1.84–2.41 multiples of the singleton median. Of the 192 twin pregnancies studied, 31.7 and 47.9 per cent had MShCG values ≥2.5 and ≥ 2.0 multiples of the singleton median, respectively.

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