Hormone replacement therapy: adverse effects
Potential complicationsincreased risk of breast cancer: increased by the addition of a progestogenincreased risk of endometrial cancer: reduced by the addition of a progestogen but not eliminated completely. The BNF states that the additional risk is eliminated if a progestogen is given continuouslyincreased risk of venous thromboembolism: increased by the addition of a progestogenincreased risk of strokeincreased risk of ischaemic heart disease if taken more than 10 years after menopause