6. Pittrof et al. claim that obstetricians may undertake more ultrasound surveillance of any pregnancy that has been exposed to a new drug with a 'black triangle' label from the Medicines and Healthcare products Regulatory Agency (intensively monitored drug). In such circumstances, a fetal anomaly scan would be the most appropriate form of obstetric monitoring and antenatal patients in the UK are currently offered a fetal anomaly scan (included in our cost analysis). Clearly however it is impossible to account for any additional tests that individual obstetricians may, or may not, institute in individual cases.
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