This article considers the results of a retrospective study comparing pregnancy rates in one Drug Testing and Treatment Order (DTTO) service in the United Kingdom with pregnancy rates in a generic substance misuse service and national conception rates. Conception rates were found to be six times higher in the coerced drug treatment group compared to the general population and generic drug services over the same period. These higher pregnancy rates may possibly be accounted for by an interplay of several factors including improved physical health, improvements in menstrual cycle regularity, better social interactions or intrinsic nature of the treatment regime in the clinics. The results of the study have implications for the criminal justice, health and other services involved in the care of these patients.
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