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Ethnicity and the need for correction of biochemical and ultrasound markers of chromosomal anomalies in the first trimester: a study of Oriental,Asian and Afro-Caribbean populations |
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| Authors: | K Spencer V Heath A El-Sheikhah C Y T Ong K H Nicolaides |
| Institution: | 1. Prenatal Screening Unit, Clinical Biochemistry Department, Harold Wood Hospital, Essex, UK;2. Harris Birthright Research Centre for Fetal Medicine, Kings College Hospital, London, UK;3. Department of Obstetrics and Gynaecology, The University of Hong Kong, Queen Mary Hospital, Hong Kong |
| Abstract: | |
| Keywords: | free β-hCG PAPP-A nuchal translucency trisomy 21 Down syndrome prenatal screening |