Medicamentos contraceptivos

Contraceptive medicines contain female hormones that are taken by women to prevent pregnancy from occurring. Hormonal contraception is available as tablets, patches, long-acting injections, implants and intra-uterine devices. Oestrogen-based hormones such as etinilestradiol work to prevent ovulation whilst progestogens such as noretisterona afetar o útero para tornar a fertilização e a implantação de um óvulo menos prováveis.