| OB | 1) Occult Blood 2) OBstetrics; 산과학 |
|---|---|
| APGO | Association of Professors of Gynecology and Obstetrics |
| ASPO | American Society for Psychoprophylaxis in Obstetrics |
| CREOG | Council on Resident Education in Obstetrics and Gynecology |
| DGO | Diploma in Gynaecology and Obstetrics |