Retrieved 24 January 2012.The phrase "morning after pill" is a misnomer, because it can be taken several days after unprotected sexual intercourse to have an effect to reduce the rates of an unplanned pregnancy.</ref> وفي العام 2010، تمت الموافقة على أسيتات اليوليبريستال كوسيلة أكثر فاعلية لمنع الحمل التداركي ولاستخدام يصل إلى خمسة أيام بعد الجماع الذي لا تتوافر له أسباب الحماية.Sankar, Nathan, "Oxford Handbook of Genitourinary Medicine, HIV, and Sexual Health", Oxford University Press, 2010, p. 386, ISBN 978-0-19-957166-6.ella, ulipristal acetate.
Retrieved 24 January 2012.The phrase "morning after pill" is a misnomer, because it can be taken several days after unprotected sexual intercourse to have an effect to reduce the rates of an unplanned pregnancy.</ref> In 2010, ulipristal acetate, a more effective emergency contraceptive was approved for use up to five days after unprotected sexual intercourse.Sankar, Nathan, "Oxford Handbook of Genitourinary Medicine, HIV, and Sexual Health", Oxford University Press, 2010, p. 386, ISBN 978-0-19-957166-6.ella, ulipristal acetate.