Is it misunderstood to be an abortifacient like Mifepristone?
It's intended to prevent pregnancy, not terminate it, therefore no different than other contraception.
It does not even necessarily affect fertilised eggs - even the drug company information is speculative:
Quote:
It's still not fully understood how Levonelle One Step® works because it depends on where you are in your cycle. For example:
It may stop an egg being released from the ovary (ovulation)
It may prevent sperm from fertilising any egg that may already have been released
It may stop a fertilised egg from attaching itself to the lining of the womb
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from
http://www.levonelle.co.uk/output/Page7.asp