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Journal
- journal of obstetrics and gynaecology canada6
- journal of maternal-fetal & neonatal medicine4
- pregnancy hypertension: an international journal of women's cardiovascular health4
- obesity reviews3
- obstetrical & gynecological survey3
- american journal of clinical nutrition2
- canadian medical association journal (cmaj)2
- international journal of environmental research and public health2
- journal of maternal fetal neonatal medicine the official journal of the european association of perinatal medicine the federation of asia and oceania perinatal societies the international society of perinatal obstetricians2