《英文msh詞典》Labor,Obstetric
[主題詞] Labor,Obstetric
[同義詞] Labor
[同義詞] Obstetric Labor
[英文釋義] The repetitive uterine contraction during childbirth which is associated with the progressive dilation of the uterine cervix (CERVIX UTERI). Successful labor results in the expulsion of the FETUS and PLACENTA. Obstetric labor can be spontaneous or induced (LABOR,INDUCED).