<unk> , sold under the brand name Ortho Evra among others, is a contraceptive patch containing the progestin<unk>  and the estrogen ethinylestradiol. The most common side effects include headache, nausea (feeling sick), breast tenderness, and irregular uterine bleeding.<unk>  is a transdermal patch (a patch that delivers a medicine across the skin). For the first three weeks of the menstrual cycle a new patch should be applied every week, followed by a fourth week, which is patch-free. The patch-free interval must not be longer than seven days; otherwise, additional non-hormonal contraceptive methods must be used, such as condoms. Transdermal patches must always be applied on the same day of the week to the buttock, abdomen (belly), upper arm or upper back. The same area of skin should not be used for two consecutive patches.<unk>  may work less well in women weighing or more.<unk>  was approved for medical use in the United States in November 2001, and in the European Union in August 2002. It is available as a generic medication.
Norelgestromin/ethinylestradiol
Ethinylestradiol/megestrol acetate
Ethinylestradiol/levonorgestrel
Segesterone acetate/ethinylestradiol
Nomegestrol acetate/estradiol
Ethinylestradiol/drospirenone
Ethinylestradiol/desogestrel
Ethinylestradiol/cyproterone acetate