Obese -LSB- body mass index ( BMI ) @ kg/m ( @ ) -RSB- , ovulatory , otherwise healthy , women received an OC containing @ mcg ethinyl estradiol ( EE ) / @ mcg levonorgestrel ( LNG ) dosed cyclically ( @ days active pills with @-day placebo week ) for two cycles and then were randomized for two additional cycles to the following : continuous cycling ( CC , a dose neutral arm using the same OC with no hormone-free interval ) or increased dose ( ID , a dose escalation arm using an OC containing @ mcg EE/@ mcg LNG cyclically ) .