Answer
Yes, Premarin (conjugated oestrogens), an oestrogen-only HRT, is associated with a slightly increased risk of ovarian cancer diagnosis; HRT use for five years in women aged 50–54 is associated with about one extra case per 2,000 users.
Sources for this answer
- Premarin 0.3 mg Coated TabletsPfizer Limited · emc · SmPC §4.8 Undesirable effects · Version 30Document updated
Sources checked