Letters
Median values and maternal weight specific to the ethnic group should be used
BMJ 1996; 312 doi: https://doi.org/10.1136/bmj.312.7037.1041a (Published 20 April 1996) Cite this as: BMJ 1996;312:1041
- Kevin Spencer
- Consultant biochemist Endocrine Unit, Clinical Biochemistry Department, Oldchurch Hospital, Romford, Essex RM7 0BE
EDITOR,—Lucy Gilbert and colleagues report a 3.5-fold increase in the proportion of women found to be positive on screening for Down's syndrome when rates among Indian Asian women were compared with those among white women.1 This prompted me to examine the data from Oldchurch Hospital's screening programme. Unlike Gilbert and colleagues' study, this screening programme uses (alpha) fetoprotein and free β human chorionic …
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