when administered as the sole contraceptive steroid , neither norethindrone , medroxyprogesterone acetate , mestranol , or ethinyl estradiol produced consistent changes in fasting serum insulin or glucose concentration , mean intravenous serum glucose disappearance rates ( k ) or mean integrated serum insulin response to glucose ( sigmal40 ) .
C0025506
mestranol
C0015011
ethinyl estradiol