Effects of oral contraception with ethinylestradiol and drospirenone on oxidative stress in women 18-35 years old.

Background: Oral contraceptives (OCs) with estrogens and progestins may affect oxidative stress (OS) status.

Study Design: A group of 32 women using oral contraceptives (OCU) containing 0.03 mg ethinylestradiol and 3 mg drospirenone have been compared to a matched control group of 30 noncontraception users (NCU).