Question: how effective is the ellaone morning after pill?
Answer: EllaOne continues to be effective a little later in the cycle. A 2017 review of the evidence estimated that around 1 to 2% of women who take ellaOne after unprotected sex will become pregnant. In comparison, it's estimated that 0.6 to 2.6% of women who take Levonelle after unprotected sex will become pregnant.