“…A detailed summary of study and cohort characteristics can be found in Table 2 . Of the 18 studies selected for the current review, three were systematic reviews ( Vestgaard et al, 2017a ; Cavero-Redondo et al, 2018 ; Xiang et al, 2018 ), six were case-control studies ( Basu et al, 2015 ; Tsiakkas et al, 2015 ; Gutaj et al, 2017 ; Kelly et al, 2017 ; Kelly et al, 2018 ; Kelly et al, 2020 ) and nine were cohort studies ( Maresh et al, 2015 ; Wotherspoon et al, 2016b ; Klemetti et al, 2016 ; Lauszus and Fuglsang, 2016 ; Vestgaard et al, 2017b ; Nielsen et al, 2018 ; Kelly et al, 2019 ; Perea et al, 2019 ; Kapustin et al, 2020 ). The number of women with T1DM in the cohorts ranged from 47 to 1,094, with Vestgaard et al and Xiang et al having pooled 11,518 and 3,239 participants with T1DM, respectively ( Vestgaard et al, 2017a ; Xiang et al, 2018 ).…”