The Newcastle-Ottawa Scale (NOS) quality assessment of the included studies in this meta-analysis.

<p>The Newcastle-Ottawa Scale (NOS) quality assessment of the included studies in this meta-analysis.</p

GRADE for outcomes of this meta-analysis.

<p>GRADE for outcomes of this meta-analysis.</p

The summary outcomes of this meta-analysis with exposure only during pregnancy.

<p>(including those of sensitivity analysis).</p

Risk of neonatal congenital malformations between different groups with exposure only during pregnancy.

<p>Risk of neonatal congenital malformations between different groups with exposure only during pregnancy.</p

Data extraction from the 12 included studies in this meta-analysis.

<p>Data extraction from the 12 included studies in this meta-analysis.</p

GRADE for outcomes of this meta-analysis with exposure only during pregnancy.

<p>GRADE for outcomes of this meta-analysis with exposure only during pregnancy.</p

Characteristics of the 12 included studies in this meta-analysis.

<p>Characteristics of the 12 included studies in this meta-analysis.</p