<unk><unk>  pills<unk> <unk>  have less impact on liver protein synthesis than ethinylestradiol-containing<unk><unk>  pills, and it is thought that for this reason, they may pose less of a risk of venous thromboembolism (VTE). In accordance, although<unk><unk>  pills<unk> <unk>  valerate/dienogest are associated with a significantly increased risk of VTE, they are associated with a significantly lower risk of venous thromboembolism than<unk><unk>  pills<unk>  ethinylestradiol and a progestin. The risk of VTE with<unk> /nomegestrol acetate<unk><unk>  pills is under study. Incidence of irregular vaginal bleeding may be higher with<unk> s in relation to the fact that<unk>  is a weaker estrogen than ethinylestradiol in the endometrium.
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