Last Updated：2025/11/27

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

Source Word

zero station

uncountable

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

Japanese Meaning

出産時において、胎児の頭部が母体骨盤内の坐骨棘と同じ高さに位置するポイント

分娩の診察中、助産師は児頭が母体の坐骨棘と同じ高さにある時点に達したことを確認し、産道への降下が間近であると判断した。

Sense（1）

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