Used in hormone therapy to support pregnancy in women with a history of recurrent miscarriages due to hormonal insufficiency. It helps maintain the uterine lining and prevent premature contractions by providing a sustained release of progestin. Also used in the treatment of certain types of abnormal uterine bleeding caused by hormonal imbalance. In some cases, it has been used off-label for the suppression of puberty in children with precocious puberty. Additionally, it has been investigated for use in transgender hormone therapy to achieve feminizing effects.