<unk>  <unk> , or<unk>  postcoital<unk> , refers to contraceptive measures that, if taken after sex, may prevent pregnancy.  As its name implies,<unk>  is intended for occasional use, when primary means of<unk>  fail. Since<unk>  methods act before implantation, they are medically and legally considered forms of<unk> . Some pro-life groups define pregnancy as beginning with fertilization, and consider<unk>  to be an abortifacient.
Emergency contraception
Male contraceptive
Combined oral contraceptive pill
Oral contraceptive
Intrauterine device
Progestogen only pill
Danazol
Levonorgestrel 