There are individual differences (but no gender differences) in what occurs after this series of regular contractions.

在这些常规收缩之后，个体的反应略有不同(但不属于性别差异)。

youdao

Between the short, regular contractions that morning, I helped the girls get ready for school.

那天早晨有短暂的有规律的收缩，我帮助女儿们准备好去上学。

youdao

Between the short, regular contractions that morning, I helped the girls get ready for school. Once they left, I called my midwife.

那天早晨有短暂的有规律的收缩，我帮助女儿们准备好去上学。她们一离开，我就电话叫来了助产士。

youdao

One prediction from models of a chaotically beating heart is the break-up of regular electrical impulses into spirals, causing uneven contractions.

ECONOMIST: Better living through chaos