出生缺陷基金会表示，他们希望这一早产儿比率的下降会是一个母亲和婴儿健康状况改善的开端。
The March of Dimes said it hopes the decline in the rate of preterm births will be the start of a new trend in improved maternal and infant health.
出生缺陷基金会表示，他们希望这一早产儿比率的下降会是一个母亲和婴儿健康状况改善的开端。
The March of Dimes said it hopes the decline in the rate of preterm births will be the start of a new trend in improved maternal and infant health.
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