先前的研究发现，婴儿脐带血中的皮质醇水平剖腹产最低，其次是顺产。

Previous studies have found that cortisol levels in cord blood are lowest in babies born by elective Caesarean, followed by spontaneous vaginal delivery.

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这位世界上最高待遇的超模在其位于波士顿的家里，在冥想中度过了八个小时的阵痛期，然后顺产产下了一名婴儿。

The world's highest paid supermodel had a natural birth at her home in Boston after meditating throughout her eight-hour Labour.

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科学家们称，这一发现或许能够解释，为什么剖腹产的婴儿较之顺产婴儿其抵抗疾病的能力较差。

The scientists say the results could help explain why babies that arrive by C-section are more susceptible to certain infections.

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