Progestogen addition with low-dose levonorgestrel intrauterine system in menopausal hormone treatment gives less normal breast tissue proliferation than oral norethisterone acetate or medroxyprogesterone acetate.

Conclusion E2V in combination with very low serum concentrations of LNG in the IUS gives no increase in proliferation in the normal breast. PMID: 32735552 [PubMed - as supplied by publisher]

https://www.ncbi.nlm.nih.gov/pubmed/32735552?dopt=Abstract

Source: Mol Biol Cell - July 30, 2020 Category: Molecular Biology Authors: Lundström E, Virijevic I, Söderqvist G Tags: Horm Mol Biol Clin Investig Source Type: research