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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Obstet Gynecol Clin North Am. 2015 Jan 5;42(1):135–151. doi: 10.1016/j.ogc.2014.10.003

Fig. 1.

Fig. 1

Effect of days of progesterone exposure on implantation and pregnancy rates after cleavage-stage embryo transfer from donor oocytes. (Data from Prapas Y, Prapas N, Jones EE, et al. The window for embryo transfer in oocyte donation cycles depends on the duration of progesterone therapy. Hum Reprod 1998;13(3):720–3.)