Used in menstrual disorders, threatened or recurrent miscarriage, infertility due to luteal insufficiency, and hormone replacement therapy (HRT).

Nausea, headache, breast tenderness, bloating, breakthrough bleeding.

Use with caution in patients with liver disorders, history of depression, or cardiovascular disease.

Known or suspected hormone-sensitive cancers, undiagnosed vaginal bleeding, active thromboembolic disorders, liver dysfunction.

Typically 10–20 mg daily depending on indication and treatment duration.

Oral tablets (usually 10 mg).