“…Opioid detoxification has been contra-indicated in both the first trimester of pregnancy because of the risk of miscarriage and in the last trimester because of the possibility of precipitating pre-term labour, fetal distress, and even stillbirth (Department of Health (England) and the devolved administrations, 2007). However, Young (Young, 2007) revealed that the underlying evidence was tentative at best and based on two case studies that had low scientific power (n = 1) and no controls (Rementeria & Nunag, 1973;Zuspan, Gumpel, Mejia-Zelaya, Madden, & Davis, 1975). The Royal College of General Practitioners', using evidence from a comparison of two self-selected Scottish groups (Hepburn, 1997), suggest that methadone detoxification can be carried out 'at any speed and at any stage' during pregnancy (Ford et al, 2005).…”