Obstruction can lead to prolonged labour, which increases the risk of caesarean section, heavy bleeding, distress in the infant and stillbirth.

阻塞可能使分娩时间延长，从而增加剖腹产、大出血、婴儿窘迫和死产的危险。

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Among the outgoing extroverts, dementia risk was 50 percent lower for participants who were calm compared with those who were prone to distress.

在那些性格外向的人中，倾向于镇定的人患痴呆的风险比那些倾向于困窘的人低50%。

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D. the fetus should be evaluated with heart rate monitoring because PROM increases the risk of umbilical cord prolapse and fetal distress caused by oligohydramnios.

因为胎膜早破可致羊水过少从而增加脐带脱垂和胎儿窘迫的危险，故应做胎心监测观察胎儿情况。

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After controlling for other factors which might influence heart disease risk, they found that high levels of distress at age seven were associated with a 31% increased risk of cardiovascular disease in middle-aged women.

BBC: Unhappy childhood linked to heart risk in later life

At the Pentagon's Force Health Protection Directorate, officials analyzed more than 160 air samples and concluded, in a soon to be released report, that the only risk is of temporary respiratory distress, nothing that poses a long-term threat.

CNN: Congressmen want more info on 'burn pit' claims

The training will include recognising when a person was in distress, how to use rescue equipment, risk assessments and treating casualties.

BBC: Devon RNLI manager training Senegal lifeguards