An abortifacient is a drug or agent which induces an abortion.

An oral contraceptive with abortifacient capacity containing levonorgestrel

An abortient is another name for an abortifacient - an agent producing abortion.

Too late. This is birth control. Not an abortifacient.

No. If you are pregnant and take them they will not cause you to abort. Planned Parenthood have more about this on their website incl information about all contraceptives. Bc pills prevents ovulation.