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Penn CA, Morgan DM, Rice LW, Harris JA, Rauh-Hain JA, Uppal S.Penn CA, et al. Among authors: harris ja.Obstet Gynecol. 2016 Oct;128(4):889-897. doi: 10.1097/AOG.0000000000001599.Obstet Gynecol. 2016.PMID: 27607868