n.a large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest
N-COUNT
The morning-after pill is a pill that a woman can take some hours after having sex to prevent herself from becoming pregnant. (女性房事后服用的)紧急避孕药
[usu 'the' N in sing]
They sued the administration on the grounds the contraception mandate prohibited their free exercise of Christianity by forcing them to pay for abortifacient morning-after pills.
Doctors' groups say more access to morning-after pills by putting them near the condoms and spermicides so people can learn about them and buy them quickly could cut those numbers.