PGR and HIV-1 infection: Fourteen women were using progesterone-based medications, namely levonorgestrel intrauterine device (IUD) or the selective progesterone receptor modulator ulipristal acetate or both, at the time of surgery: specimens from one donor were used for cytokine analysis, three for cell viability assay, and ten for HIV-1 infection experiments, of which six were infected with HIV-1BaL.