Combined<unk><unk> <unk> s that contain natural<unk>  or an<unk>  ester (e.g.,<unk>  valerate) include: *<unk>  valerate and cyproterone acetate (brand name Femilar) – introduced in Finland (only) in 1993 *<unk>  valerate and dienogest (brand names Qlaira, Natazia) – introduced in Europe in 2009 and the in 2010 *<unk>  and nomegestrol acetate (brand name Zoely) – introduced in Europe in 2011<unk> , mainly as esters including<unk>  valerate,<unk>  cypionate, and<unk>  enanthate, is also the exclusive estrogen used in combined injectable contraceptives. As of 2021, more than 95% of prescriptions are for combined hormonal<unk><unk>  forms<unk>  the synthetic estrogen ethinylestradiol (EE). Hence,<unk> -based<unk><unk> <unk> s are still not widely used.
Estradiol-containing birth control pill
Extended cycle combined hormonal contraceptive
Combined oral contraceptive pill
High-dose estrogen
Heat-based contraception
Long-acting reversible contraception
Oral contraceptive pill
Combined hormonal contraception