After an intake of 1.5 mg<unk>  in clinical trials, very common side effects (reported by 10% or more) included: hives, dizziness, hair-loss, headache, nausea, abdominal pain, uterine pain, delayed menstruation, heavy menstruation, uterine bleeding, and fatigue; common side effects (reported by 1% to 10%) included diarrhea, vomiting, and painful menstruation; these side effects usually disappeared within 48 hours. However, the long term side effects common with oral contraceptives such as arterial disease are lower with<unk>  than in combination pills.<unk>  as a contraceptive intrauterine device is associated with a higher risk of breast cancer than with non-use.
Levonorgestrel
Etonogestrel
Norgestrel
Desogestrel
Chloroethynylnorgestrel
Gestodene
5α-Dihydrolevonorgestrel
Norelgestromin