1 . maternity department
maternity care 母性保健maternity department 产科maternity patient 产妇
2 . obstetrics
obstetrician n. 产科医生obstetrics n. 产科obstruct v. 阻隔;阻塞
3 . labor and Delivery
美国护士介绍 ... 内科 Internal Medicine 产科Labor& Delivery 内外科(普通) Med/Surg(General).
4 . OBS obstetrics
OB occult blood 潜血OBS obstetrics 产科OP operation 手术