4Townsend D E.Fields G.Mccarsland A,et al.Diagnostic and operative hysteroscopy in the management of persistent postmenopausal bleeding[J].Obstet Gynecol,1993,82(2):419
6Grigorieva V, Chen-Mok M, Tarasova M, et al. Use of a levonorgestrel-releasing intrauterine system to treat bleeding related to uterine leiomyomas[J].Fertil Steril, 2003,79(5):1194-1198.
7Higham J M, O'Brien P M, Shaw R W. Assessment of menstrual blood loss using a pictorial chart[J].Br j Obstet Gynecol, 1990, 97(1):734-739.
8Xiao B L, Wu S C, Chong J, et at. Therapeutic effects of the levonorgestrel releasing intrauterine system in the treatment of idiopathic menorrhagia[J]. Fertil Steril, 2003,79(4) : 963-969.
9Vereide A B, Kaino T, Sager G, et al. Effect of levonorgestrel IUD and oral medroxyprogesterone acetate on glandular and stromal progesterone receptors (PRA and PRB), and estrogen receptors ( ER-alpha and ER beta ) in human endometrial hyperplasis[J].Gynecol Oncol,2006,101(2) :214-223.
10Rogovskaya S, Rivera R, Grimes D A. Effect of a levonorgestrel intrauterine system on women with type ldiabetes: a randomized trial[J]. Obstet Gynecol,2005,105(3) :811-815.
