the new low-dose combination oral contraceptive ( oc ) containing 75 micrograms of the new progestogen gestodene ( gtd ) plus 30 micrograms ethinyl estradiol ( ee ) was clinically tested and compared with a levonorgestrel ( lng ) combined pill ( 150 micrograms lng plus 30 micrograms ee ) .
C0023566
levonorgestrel
C0717761
lng