The baby usually turns upside down in the end, since its head is heaviest. Babies get born more easily if they come headfirst.
到后期的时候胎儿会转过来头朝下，因为他的头最重。如果胎儿的头先出来，就容易出生了。
The baby usually turns upside down in the end, since its head is heaviest. Babies get born more easily if they come headfirst.
到后期的时候胎儿会转过来头朝下，因为他的头最重。如果胎儿的头先出来，就容易出生了。
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