<P> The Yuzpe regimen became the standard course of treatment for postcoital contraception in many countries in the 1980s . The first prescription - only combined estrogen - progestin dedicated product , Schering PC4 ( ethinylestradiol and norgestrel ) , was approved in the UK in January 1984 and first marketed in October 1984 . Schering introduced a second prescription - only combined product , Tetragynon ( ethinylestradiol and levonorgestrel ) in Germany in 1985. ( 1 ) By 1997 , Schering AG dedicated prescription - only combined products had been approved in only 9 countries : the UK ( Schering PC4 ) , New Zealand ( Schering PC4 ) , South Africa ( E-Gen - C ) , Germany ( Tetragynon ) , Switzerland ( Tetragynon ) , Denmark ( Tetragynon ) , Norway ( Tetragynon ) , Sweden ( Tetragynon ) and Finland ( Neoprimavlar ) ; and had been withdrawn from marketing in New Zealand in 1997 to prevent it being sold over-the - counter. ( 2 ) ( 3 ) ( 4 ) Regular combined oral contraceptive pills ( which were less expensive and more widely available ) were more commonly used for the Yuzpe regimen even in countries where dedicated products were available . </P>
<P> The Yuzpe regimen became the standard course of treatment for postcoital contraception in many countries in the 1980s . The first prescription - only combined estrogen - progestin dedicated product , Schering PC4 ( ethinylestradiol and norgestrel ) , was approved in the UK in January 1984 and first marketed in October 1984 . Schering introduced a second prescription - only combined product , Tetragynon ( ethinylestradiol and levonorgestrel ) in Germany in 1985. ( 1 ) By 1997 , Schering AG dedicated prescription - only combined products had been approved in only 9 countries : the UK ( Schering PC4 ) , New Zealand ( Schering PC4 ) , South Africa ( E-Gen - C ) , Germany ( Tetragynon ) , Switzerland ( Tetragynon ) , Denmark ( Tetragynon ) , Norway ( Tetragynon ) , Sweden ( Tetragynon ) and Finland ( Neoprimavlar ) ; and had been withdrawn from marketing in New Zealand in 1997 to prevent it being sold over-the - counter. ( 2 ) ( 3 ) ( 4 ) Regular combined oral contraceptive pills ( which were less expensive and more widely available ) were more commonly used for the Yuzpe regimen even in countries where dedicated products were available . </P>
when was the morning after pill introduced in the uk
when was the morning after pill introduced in the uk
1984
1984