Use of hormone replacement therapy and risk of breast cancer: nested case-control studies using the QResearch and CPRD databases.
Yana VinogradovaCarol CouplandJulia Hippisley-CoxPublished in: BMJ (Clinical research ed.) (2020)
This study has produced new generalisable estimates of the increased risks of breast cancer associated with use of different hormone replacement preparations in the UK. The levels of risks varied between types of HRT, with higher risks for combined treatments and for longer duration of use.