先前有研究建议重新定义过高体重和肥胖，比如用腰围臀围比，而我们的研究结果支持这项建议。

The result of our study lends support to the suggestion from (prior) studies of a redefinition of overweight and obesity, for example by the waist-to-hip ratio.

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他们大部分都很健康，但作为一个整体他们由于低的出生体重而有更高的健康风险，因为低出生体重和肥胖、高血压和II型糖尿病密切相关。

Most of them are healthy. But as a group they're at a higher risk for low birth weight, which is associated with obesity, hypertension and type 2 diabetes later in life.

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此外，研究人员称，体重超标和肥胖女性患妊娠期并发症及剖腹产的几率要比正常体重的女性大。

The researchers also report that overweight and obese women were more likely to have pregnancy complications and C-sections than normal-weight women.

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