Genetics may reduce efficacy of hormonal contraception – study

The research involved women using the contraceptive implant, and they say further study is needed of those using the pill. Photograph: Getty Images/Science Photo LibraryAn unintended pregnancy while using hormonal contraception may not always be down to the woman’s mistake, according to research that suggests for some genetics could play a role. Millions of women use hormonal contraceptives such as different types of the pill, contraceptive implants or hormone-releasing intrauterine system