Johansson Å

ImportanceHormonal contraceptives are widely used but how breast cancer risk differs by hormonal content remains unclear.ObjectiveTo estimate the difference in breast cancer risk associated with different hormonal contraceptive formulations…

AimResearch on the effect of oral contraceptive (OC) use on the risk of depression shows inconsistent findings, especially in adult OC users. One possible reason for this inconsistency is the omission of women who discontinue OCs due to adv…