No, it is not possible, because embryo implantation and the subsequent pregnancy has not taken place yet. For this reason, taking abortion pills such as Cytotect, which is composed of Misoprostol, is not recommended until a pregnancy is confirmed with a positive pregnancy test.
If you think you may be pregnant, it is possible for you to use the morning-after pill or emergency pill in order to avoid an unplanned pregnancy. This birth control method inhibits ovulation and alters the endometrium so that embryo implantation is not possible.
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