{"paper_id":"f84626dd-a908-453b-9f65-2dbc47ff6b8a","body_text":"References\nSteptoe PC, Edwards RG. Birth after the reimplantation of a human embryo. Lancet. 1979;312(8085):366.\nGoldberg JM, Falcone T, Attaran M. In vitro fertilization update. Cleve Clin J Med. 2007;74(5):329–38.\nMacDougall MJ, Tan SL, Jacobs HS. In-vitro fertilization and the ovarian hyperstimulation syndrome. Hum Reprod. 1992;7(5):597–600.\nVan Voorhis BJ, Sparks AE, Allen BD, Stovall DW, Syrop CH, Chapler FK. Cost-effectiveness of infertility treatments: a cohort study. Fertil Steril. 1997;67(5):830–6.\nPelinck MJ, Hoek A, Simons AH, Heineman MJ. Efficacy of natural cycle IVF: a review of the literature. Hum Reprod Update. 2002;8(2):129–39.\nDaya S, Gunby J, Hughes EG, Collins JA, Sagle MA, YoungLai EV. Natural cycles for in-vitro fertilization: cost-effectiveness analysis and factors influencing outcome. Hum Reprod. 1995;10(7):1719–24.\nJanssens RM, Lambalk CB, Schats R, Schoemaker J. Successful in-vitro fertilization in a natural cycle after four previously failed attempts in stimulated cycles: case report. Hum Reprod. 1999;14(10):2497–8.\nJanssens RM, Lambalk CB, Vermeiden JP, Schats R, Schoemaker J. In-vitro fertilization in a spontaneous cycle: easy, cheap and realistic. Hum Reprod. 2000;15(2):314–8.\nMoschini RM, Chuang L, Poleshchuk F, Slifkin RE, Copperman AB, Barritt J. Commercially available enhanced in vitro maturation medium does not improve maturation of germinal vesicle and metaphase I oocytes in standard in vitro fertilization cases. Fertil Steril. 2011;95(8):2645–7.\nHardy K, Wright CS, Franks S, Winston RM. In vitro maturation of oocytes. Br Med Bull. 2000;56(3):588–602.\nRoberts R, Franks S, Hardy K. Culture environment modulates maturation and metabolism of human oocytes. Hum Reprod. 2002;17(11):2950–6.\nSutton ML, Gilchrist RB, Thompson JG. Effects of in-vivo and in-vitro environments on the metabolism of the cumulus-oocyte complex and its influence on oocyte developmental capacity. Hum Reprod Update. 2003;9(1):35–48.\nde Araujo CH, Noqueira D, de Araujo MC, Martins Wde P, Ferriani RA, dos Reis RM. Supplemented tissue culture medium 199 is a better medium for in vitro maturation of oocytes from women with polycystic ovary syndrome women than human tubal fluid. Fertil Steril. 2009;91(2):509–13.\nConflict of interest\nThe authors declare that they have no conflict of interest.\nAuthor information\nAuthors and Affiliations\nCorresponding author\nAdditional information\nCapsule\nIVM could be achieved using human tubular fluid.\nRights and permissions\nAbout this article\nCite this article\nChng, M.W.X., Lau, M.S.K., Chan, M. et al. Overnight maturation of a metaphase I oocyte retrieved from a natural cycle using human tubular fluid: a case report. J Assist Reprod Genet 30, 77–79 (2013). https://doi.org/10.1007/s10815-012-9903-y\nReceived:\nAccepted:\nPublished:\nIssue date:\nDOI: https://doi.org/10.1007/s10815-012-9903-y","source_license":"public-domain-us","license_restricted":false}