Overall, C-14 analyses gave superior age-at-birth dates, but only for people whose teeth erupted after the bomb blasts, meaning individuals about 60 and younger.
总体而言，碳14分析技术提供了卓越的出生年龄数据，但仅限于核弹爆炸后长牙的人们，也就是60岁左右及更年轻的个体。
This process can also be performed in a c-section birth.
破腹产也可以进行这个过程。
And if a natural birth would pose a health risk for mother or baby, a c-section would be allowed.
如果顺产会威胁母婴健康，允许进行剖腹产。
We are promoting the idea that women need to consider that if they choose C-sections for their first birth it could affect their second pregnancy.
我们正在推广一个理念，女性需要去考虑，如果她们头胎选择剖宫产，可能会影响她们第二次怀孕。
When babies are delivered by C-section, they are unprepared for the birth and can become more stressed after delivery than before.
剖宫产的胎儿还没做好出生的准备，他们出生后的压力会比在母体中大。
Unless a Cesarean birth is scheduled, almost all women are disappointed when they've endured labor for several hours and are forced to have an emergency C-section.
尽管剖腹产可以考虑，几乎所有的女性在经历了几个小时的分娩后被迫采取剖腹产还是很令人沮丧的。
Dr Muna said if a woman undergoes a caesarean, chances are that she would want the second birth to also be a C-section.
穆纳博士说，如果一个女人经历了一个剖腹产，没准她会想要第二胎也有一个C节。
The findings also underscore the potential risks of elective C-sections as more women in Western countries choose to avoid a natural birth, the researchers said in the medical journal.
研究人员在一个医学杂志Thorax上表示：正当更多的西方国家女性选接拒绝自然分娩的时候，这个发现却表明选择性剖腹产存在潜在的危险性。
The findings also underscore the potential risks of elective C-sections as more women in Western countries choose to avoid a natural birth, the researchers said in the medical journal.
研究人员在一个医学杂志Thorax上表示：正当更多的西方国家女性选接拒绝自然分娩的时候，这个发现却表明选择性剖腹产存在潜在的危险性。
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