But state laws on posthumous birth-or the birth of a child after the death of a parent-vary widely.
各州对父母死后生产,或者对父母死后出生的孩子的法律规定差异极大。
They compared the risk of getting breast cancer with birth size, relying on birth records, parent recall, and self reports.
他们根据出生卡片,父母回忆和自己报告比较患乳腺癌的风险和出生尺寸的关系。
Researchers have successfully carried out the process of giving birth to a baby using a controversial "three-parent baby" technique.
研究人员利用一项备受争议的“三亲婴儿”技术,成功实现了生育一名婴儿的过程。
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