Monozygotic twinning: an eight-year experience at a large IVF center Jaime Knopman, M.D., Lewis C. Krey, Ph.D., Jennifer Lee, M.S., Mary Elizabeth Fino, M.D., Akiva P. Novetsky, M.D., Nicole Noyes, M.D. Fertility and Sterility Volume 94, Issue 2, Pages 502-510 (July 2010) DOI: 10.1016/j.fertnstert.2009.03.064 Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions
Figure 1 Oocyte source of the documented 98 monozygotic twin (MZT) pregnancies. Fertility and Sterility 2010 94, 502-510DOI: (10.1016/j.fertnstert.2009.03.064) Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions
Figure 2 Ultrasound documentation of monozygotic twin (MZT) pairs and fetal membrane configuration. D-D = dichorionic-diamniotic; M-D = nions (monochorionic-diamniotic; M-M = monochorionic-monoamniotic. Fertility and Sterility 2010 94, 502-510DOI: (10.1016/j.fertnstert.2009.03.064) Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions
Figure 3 Fate of the monozygotic twin (MZT) pair in pregnancies where at least one infant (including a coexisting singleton) was delivered alive. In 39 out of 63 (62%) of these pregnancies, a coexistent singleton was present. Fertility and Sterility 2010 94, 502-510DOI: (10.1016/j.fertnstert.2009.03.064) Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions
Figure 4 Fate of the monozygotic twin (MZT) pairs in pregnancies where there was no coexisting singleton gestation and no infant was delivered alive. Fertility and Sterility 2010 94, 502-510DOI: (10.1016/j.fertnstert.2009.03.064) Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions