SEP 4, 2026 · JOURNAL ARTICLE
Long-term hormone therapy for perimenopausal and postmenopausal women
Cochrane Database of Systematic Reviews
High-quality systematic review of 24 RCTs (45,660 participants) with moderate certainty evidence on long-term hormone therapy effects across multiple clinical outcomes; primarily powered by two well-conducted large trials (HERS, WHI) with low risk of bias.
Reported
Sample size45660
Combined HT – Coronary events (RR)1.17
Combined HT – Coronary events (95…0.95 to 1.44