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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Am J Obstet Gynecol. 2011 Feb 23;205(1):82.e15–82.e20. doi: 10.1016/j.ajog.2011.02.048

Figure 1.

Figure 1

Photos of the external cervix throughout pregnancy (D13 = day 13 of gestation to D21) and postpartum (day 5 postpartum).