The third was a register of all pregnancies of twins, triplets or other multiple births.

第三组对所有双胞胎，三胞胎等多胞胎的妊娠情况进行了登记。

youdao

Many countries have reduced multiple births by limiting the number of embryos that are transferred.

许多国家已经通过限制移植胚胎数目来减少多胞胎出生情况了。

youdao

While this shift will address the problems associated with multiple births, it's not the end of the matter.

即便这项转变可以解决多胎产的问题，它也不是事情的最终解决之道。

youdao

Fertility treatments can produce multiple births, which increases the risk that the babies will arrive early.

VOA: special.2009.10.19

Fertility treatment is far more likely to result in multiple births than natural conception.

BBC: Babies boom by a fifth in a decade - ONS

Twins, triplets and other multiple births also increased over the decade, partly due to fertility treatments.

BBC: Babies boom by a fifth in a decade - ONS

Death, job loss, divorce, multiple births and a broken marriage engagement all qualify for the break.

FORBES: Shocked