Mifepristone and Oral contraceptive

Mifepristone 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.

Oral contraceptive and mifepristone are semantically related. in oral contraceptive pill topic. In some cases you can use "Oral contraceptive" instead a noun "Mifepristone".

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

Mifepristone and oral contraceptive are semantically related. You can use "Mifepristone" instead a noun phrase "Oral contraceptive".