Search strategy
We searched the electronic databases PubMed and Scopus from their
inception until 21 February 2021 using the following search terms:
“((hemangioma) OR (cavernous) OR (vascular malformation)) AND
(pregnancy) AND (uterus)”. We also screened the reference list of all
retrieved articles to identify additional eligible articles not captured
by our electronic search, thereby identifying 2 additional case reports.