Anovulatory drug and Abortion pill

Anovulatory drug noun - A contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception.

Abortion pill and anovulatory drug are semantically related in oral contraceptive pill topic. In some cases you can use "Abortion pill" instead a noun phrase "Anovulatory drug".

Abortion pill noun - An abortion-inducing drug (trade name RU_486) developed in France; when taken during the first five weeks of pregnancy it blocks the action of progesterone so that the uterus sloughs off the embryo.

Anovulatory drug and abortion pill are semantically related in oral contraceptive pill topic. You can use "Anovulatory drug" instead a noun phrase "Abortion pill".