EH, endometrial hyperplasia; CS, cohort study; MPA, medroxyprogesterone acetate; MGA, megestrol acetate; NETA, norethisterone acetate; EC, endometrial cancer; G1, grading 1; LNG, levonorgestrel; IUD, intrauterine device; PR, progesterone receptor; RCT, randomized controlled trial; BMI, body mass index; CR, complete response. Here, PGR is linked to endometrial cancer.