unintended pregnancy

基本解釋

And half the women in the US will have an unintended pregnancy by age 45.
而且在美國，有半數(shù)婦女到45嵗時(shí)都會有意外懷孕的經(jīng)歷。
If, however, you've missed a dose — or several doses — during a cycle, you might be at higher risk of unintended pregnancy during that cycle.
如果漏服了一個(gè)周期內(nèi)的一片或者數(shù)片葯物，那麼該周期內(nèi)非意願(yuàn)性妊娠的風(fēng)險(xiǎn)將增加。
For example, averting unintended pregnancy and reducing unmet need for family planning are key interventions in improving maternal health and reducing perinatal death.
例如，避免意外懷孕和減少對計(jì)劃生育未滿足的需求是促進(jìn)母親健康和減少圍産期死亡的重要乾預(yù)措施。

"We found that easier access to emergency contraception did help women use the pills more quickly when it was needed, and they used it more often, but despite that increased use and faster use, it didn't reduce rates of unintended pregnancy."