Birth Canal [妇产] [解剖] 产道
hard birth canal 硬产道
soft birth canal 软产道
birth canal injury 产道损伤
trauma of birth canal 软产道损伤
Soft birth canal injury 软产道损伤
laceration of birth canal [妇产] 产道裂伤
During childbirth, larger babies have more difficulty passing through the birth canal.
在分娩时，较大的婴儿更难通过产道。
A team took close-up footage of captive chimps giving birth, which revealed that the newborn emerges from the birth canal facing away from the mother.
一个研究小组对捕获的黑猩猩的生育过程进行特写录像，结果显示新生儿从产道中露出来时是脸朝外背对着母亲的。
Vernix caseosa a white cheesy substance has formed over the baby’s skin to protect it from its watery environment and to help ease her through the birth canal.
胎儿皮脂——白色的干酪质的物质——已经在婴儿表面形成了，它可以保护婴儿免受水环境的影响并帮助婴儿舒适地通过产道。
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