Err sorry chris, im not sure itiz d new pill is called Norethisterone coz when prof mentioned d name, it sounds v chim to me, i only can rem d purpose of d new pill. But I can check it out on d full name when i go bk for my bt review n will let u knw again if u r keen. I rem prof oso mention when taking dis pill, we need to hve protected sex coz dis pill is harmful to pregnancy.