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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Obstet Gynecol. 2014 Dec;124(6):1080–1087. doi: 10.1097/AOG.0000000000000559

Figure 4.

Figure 4

Cortisol levels 20 minutes following arrival to laboratory at baseline, at 24 weeks of gestation, and at 30 weeks of gestation. F(1.74, 74.63), P=.041; cohen’s d=.56; error bars indicate standard error at each time point within each group.