1. Chen C. Pregnancy after human oocyte cryopreservation. Lancet. 1986;1(8486):884–6.
2. American Cancer Society. Cancer facts and figures 2015. Atlanta: American Cancer Society. http://www.cancer.org/research/cancerfactsstatistics/allcancerfactsfigures/index . Retrieved on 25 Sept 2015.
3. Tsafrir A, Haimov-Kochman R, Margalioth EJ, et al. Ovarian stimulation for oocyte cryopreservation for prevention of age-related fertility loss: one in five is a low responder. Gynecol Endocrinol. 2015;18:1–4.
4. Rodriguez-Wallberg KA. Clinical aspects and perinatal outcomes after cryopreservation of embryos and gametes. Minerva Ginecol. 2015;67(2):207–15.
5. Goold I, Savulescu J. In favour of freezing eggs for non-medical reasons. Bioethics. 2009;23(1):47–58. doi: 10.1111/j.1467-8519.2008.00679.x .