| 单词 | Obstetrical Vacuum Extractions |
| 释义 | Obstetrical Vacuum Extractions《英文msh词典》Obstetrical Vacuum Extractions [入口词] Obstetrical Vacuum Extractions [主题词] Vacuum Extraction,Obstetrical [英文释义] Removal of the fetus from the uterus or vagina at or near the end of pregnancy with a metal traction cup that is attached to the fetus' head. Negative pressure is applied and traction is made on a chain passed through the suction tube. (From Stedman,26th ed & Dorland,28th ed) |
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