The investigators found that postmenopausal women with higher circulating progesterone levels experience a 16% increased risk of breast cancer. Additionally, associated risk from progesterone . (Progesterone and drugs that act like it are called progestins). Often, these 2 hormones are used together, but some women are given estrogen alone. Injections (or shots) into a muscle or under the skin (this isn’t often used to treat the symptoms of menopause). Breast cancer .
Bioidentical Progesterone Protects Against Breast Cancer. Importance: The role of endogenous progesterone in the development of breast cancer remains largely unexplored to date, primarily owing to assay sensitivity limitations and low progesterone concentrations in postmenopausal Cited by: 4.
May 02, · In the breast, it is suggested (and supported with mouse model data) that progesterone stimulates normal human breast epithelium through a paracrine mechanism (48, ) and is a risk factor for breast cancer Cited by: