1. Department of Pharmacy Yamagata University Hospital Yamagata Japan
2. The Japan Drug Information Institute in Pregnancy National Center for Child Health and Development Tokyo Japan
3. Department of Obstetrics and Gynecology Yamagata University Faculty of Medicine Yamagata Japan
4. Department of Obstetrics and Gynecology Yamagata Prefecture Central Hospital Yamagata Japan
5. Department of Pharmacy Toranomon Hospital Tokyo Japan
6. Department of Biostatistics, M&D Data Science Center Tokyo Medical and Dental University Tokyo Japan
7. Division of Medical Genetics National Center for Child Health and Development Tokyo Japan
8. Center of Maternal‐Fetal, Neonatal and Reproductive Medicine National Center for Child Health and Development Tokyo Japan