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Benzodiazepines and pregnancy
Benzodiazepines cross the placental barrier and can accumulate in the unborn child. Studies to date show no clear links between birth defects and normal prescribed doses of benzodiazepines taken during pregnancy.
Concerns have been voiced, however, about learning and behavioural difficulties in children whose mothers took benzodiazepines throughout pregnancy; however these connections can be difficult to prove conclusively.
Babies whose mothers have taken moderate to large amounts of benzodiazepines during pregnancy may have a withdrawal syndrome following birth. The withdrawal is characterised by respiratory distress, irritability, disturbed sleep patterns, sweating, fever and feeding difficulties.
The withdrawal can last for a number of weeks or even months. Babies whose mothers have taken high doses of benzodiazepines may also have floppy infant syndrome, with poor muscle tone and sucking response.
Pregnant women using benzodiazepines should withdraw slowly in consultation with expert specialised medical assistance. Most Victorian maternity hospitals have special Units which can provide assistance. | 
