Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Overall breast cancer incidence

It is very uncertain whether hormone replacement therapy (HRT) changes incidence of breast cancer compared with no HRT (very low certainty).

1 finding from 1 review

Hormone replacement therapy after surgery for epithelial ovarian cancer 2020 · Cochrane Headline outcomes only
RR 2 [0.19, 21.59]
2 studies · 225 participants
Very low