the effect of hormonal oral contraceptives ( ocs ) on carbohydrate metabolism depends on the amount of estrogen ( ethinyl estradiol or mestranol ) , type and amount of progestin , formulation of the pill ( monophasic , sequential , or triphasic ) , duration of use , mode of administration ( oral v parenteral ) , and race and genetic predisposition of the user .
C0015011
ethinyl estradiol
C0025506
mestranol