最終更新日：2024/08/01

The point, during childbirth, at which the baby's head is level with the ischial spines in the maternal pelvis.

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zero station

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元となった辞書の項目

zero station

noun

The point, during childbirth, at which the baby's head is level with the ischial spines in the maternal pelvis.

The zero station is the starting point of the railway.

意味（1）

The point, during childbirth, at which the baby's head is level with the ischial spines in the maternal pelvis.