Anxiety will enable pregnant women increased secretion of adrenaline, causing metabolic acidosis caused by fetal hypoxia.

焦虑还会使孕妇肾上腺素分泌增加，导致代谢性酸中毒引起胎儿宫内缺氧。

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Human actions have resulted in warming and acidification of the oceans and are now causing increasing hypoxia.

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The court was told on Friday that Mr Macia had suffered extensive injuries, culminating in hypoxia - a lack of oxygen supply to the body - causing his death.

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