O45
O45 stands for
- O45, ICD-10 code for premature placental abruption during pregnancy, see the list of diseases and conditions in pregnancy, childbirth and the puerperium according to ICD-10 # O30-O48
- O45, an age group of the Senior Badminton World Championship
- O45, an age group of the English Inter-County Badminton Championships
