Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews · Gynaecology and Fertility

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

Breast cancer · relatively healthy postmenopausal women

Oestrogen‐only hormone therapy (HT) showed no clear difference in breast cancer compared with placebo (moderate certainty).

1 finding from 1 review

Long‐term hormone therapy for perimenopausal and postmenopausal women 2017 · Cochrane Headline outcomes only
RR 0.79 [0.61, 1.01]
1 study · 10739 participants
Moderate

Breast cancer · relatively healthy postmenopausal women

Combined continuous hormone therapy (HT) probably leads to higher breast cancer compared with placebo (moderate certainty).

1 finding from 1 review

Long‐term hormone therapy for perimenopausal and postmenopausal women 2017 · Cochrane Headline outcomes only
RR 1.27 [1.03, 1.56]
1 study · 16608 participants
Moderate