Study to Investigate Compliance With the Oral Contraceptive SH T00186D in a Flexible Extended Regimen Supported by a Dispenser With a Reminder Function

0.02 mg EE as ß-CDC / 3 mg DRSP in a tablet form (1 tablet/day) for up to 120 days, followed by a 4-day tablet-free interval, administered with a dispenser supported by a reminder function

0.02 mg EE as ß-CDC / 3 mg DRSP in a tablet form (1 tablet/day) for up to 120 days, followed by a 4-day tablet-free interval, administered with a dispenser without reminder support