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1 Department of Obstetrics and Gynecology, The University of Alabama at Birmingham, Birmingham, AL; Department of Obstetrics and Gynecology, University of Washington, 325 9th Ave., Seattle, WA 35249. Electronic address: Sara.e.mazzoni@gmail.com.
2 Department of Obstetrics and Gynecology, The University of Alabama at Birmingham, Birmingham, AL; Novant Health Mint Hill OB/GYN, Charlotte, NC.
3 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado, Aurora, CO.
1 Department of Obstetrics and Gynecology, The University of Alabama at Birmingham, Birmingham, AL; Department of Obstetrics and Gynecology, University of Washington, 325 9th Ave., Seattle, WA 35249. Electronic address: Sara.e.mazzoni@gmail.com.
2 Department of Obstetrics and Gynecology, The University of Alabama at Birmingham, Birmingham, AL; Novant Health Mint Hill OB/GYN, Charlotte, NC.
3 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Colorado, Aurora, CO.