One specimen is even preserved in the birth canal.

有一个标本甚至被保存在产道中。

She was in the birth canal , and her head and ears were covered.

她在产道里，头和耳朵都被裹住了。

And being expelled from a birth canal was not considered one of them.

而我从产道里被排出则不认为是重大成就之一。

If the birth canal in good condition, the birth should not be a problem.

如果产道情况良好的话，顺产应该没有问题。

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。