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汉语拼音：chǎn dào

胎儿脱离母体时所经过的通道，包括骨产道（骨盆）和软产道（子宫颈和阴道）两部分。

• A baby is separated with his mother after passing out of the birth canal.

  胎儿是通过产道之后与母体分离的。

• Turn the little oval skull face-forward, and it drops neatly into the pelvic brim, the beginning of the birth canal.

  把这个小小的椭圆形头颅脸朝前，便能巧妙地滑入骨盆缘，那里即是产道开始的地方。

• Babies acquire their gut flora as they pass down the birth canal and take a gene-filled gulp of their mother's vaginal and faecal flora.

  婴儿在经过产道并充分“摄取”富含细菌基因的母体阴道分泌物和粪便菌落之后，细菌便开始进入胃肠道。

• All our technological inventions, philosophical ideas and scientific theories have gone through the birth canal of the human intellect.

  我们的一切技术发明、哲学观点还有科学理论都经过了人类智力的“产道”。

• Caution that more research is needed and note that the vast majority of people delivered vaginally appear to have no later difficulties.

  建议多进行一些这方面研究来证实经产道出生的婴儿绝大部分日后确实没有不良后果。

• If an outbreak is occurring, a c-section is typically performed; however, most women with genital herpes are able to deliver vaginally .

  如果出现了复发，通常情况下会选择剖腹产；不过，许多患有生殖器疱疹的妇女都可以通过产道生产。

• You're probably breathing a little easier this week as the baby has almost certainly descended into the birth canal.

  因为婴儿已经下降到了产道里，这周你可能会呼吸的比较容易一点。

• These anterior presentations (ROA and LOA) are normal and usually are the easiest way for the fetus to traverse the birth canal.

  这些朝前的方位（ROA和LOA）都是常见而且正常的，是胎儿最易通过产道的胎位。

• Results Uterine contraction is the main reason of PPH , account 79. 85%, the next is cake uterine factor and soft birth canal damage.

  结果子宫收缩乏力是产后出血的主要原因，占产后出血的79.85%，其次为胎盘因素、软产道损伤。