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Correction

doi: 10.1097/AOG.0000000000000671
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In “Association of Venous Thromboembolism With Hormonal Contraception and Thrombophilic Genotypes” by A. Bergendal, I. Persson, J. Odeberg, A. Sundström, M. Holmström, S. Schulman, O. Björgell, and H. Kieler (Obstet Gynecol 2014;124:600–9), an error appears in a sentence on page 608. The incorrect sentence reads: “In combined hormonal contraception, risk of venous thromboembolism depends on dose of the estrogen but as a result of fixed doses of 30–40 micrograms ethinyl estradiol in all combined hormonal contraceptions used, we could not assess this effect.4,31,32” This sentence is incorrect because of the 418 women using combined hormonal contraception, two had more than 40 micrograms of ethinyl estradiol, and 38 had less than 30 micrograms. The correct sentence is: “In combined hormonal contraception, risk of venous thromboembolism depends on dose of the estrogen, but as a result of fixed doses of 30–40 micrograms ethinyl estradiol in a large majority of combined hormonal contraceptions used, we could not assess this effect.4,31,32” The authors regret this error.

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© 2015 by The American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved.