breech presentation

complete breech presentation

[医] 完全臀先露

double breech presentation

[医] 完全臀先露

frank breech presentation

[医] 纯臀先露, 伸腿臀先露

full breech presentation

[医] 完全臀先露

single breech presentation

[医] 纯臀先露, 伸腿臀先露