Levonorgestrel-releasing intrauterine system and the risk of breast cancer: A nationwide cohort study.

CONCLUSIONS: The results imply that intrauterine administration of levonorgestrel is not only related to an excess risk of lobular breast cancer but also, in contrary to previous assumptions, to an excess risk of ductal breast cancer.
PMID: 26243443 [PubMed - as supplied by publisher]

Source: Acta Oncologica - August 4, 2015 Category: Cancer & Oncology Authors: Soini T, Hurskainen R, Grénman S, Mäenpää J, Paavonen J, Joensuu H, Pukkala E Tags: Acta Oncol Source Type: research