Table 1. Advice about childhood SCT testing provided to parents by professionals in regions of the United Kingdom.

	Test child (any age)	Defer testing until adulthood	Seek further information from a GP
London	√
East Midlands	√
East of England	√	√	√
North West	√	√	√
North East		√
West Midlands	√	√
Yorkshire and Humber	√	√
South West	√
West of Scotland		√

Abbreviations: GP, general practitioner; SCT, sickle cell trait.