Lowering the dose, or halting it to restart later in pregnancy or after birth, should therefore be a considered clinical decision.
For this study, the largest ever of the effects of lithium on birth defects, data from six countries – including the UK – of 2,200 pregnancies was used.
Newborns exposed to lithium in pregnancy were nearly twice as likely to be readmitted to hospital within 28 days of birth as well.
Rex Features 12/50 7 June 2018 Brexit Secretary David Davis, right, and International Trade Secretary Liam Fox leave 10 Downing Street.
Prime Minister Theresa May held an emergency Brexit cabinet meeting in an attempt to resolve tensions over the UK's Irish border plan.
Getty 13/50 6 June 2018 Britain's Prime Minister Theresa May welcomes Israel's Prime Minister Benjamin Netanyahu to Downing Street.
By combining six major trials on lithium exposure run on similar lines, instead of multiple smaller studies the authors argue they can provide more robust data on birth defects. »