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. Author manuscript; available in PMC: 2019 Mar 15.
Published in final edited form as: Am J Perinatol. 2017 Oct 27;35(4):380–384. doi: 10.1055/s-0037-1607317

Fig. 3.

Fig. 3

Recurrent sPTB among women with prior sPTB ≥ 24 weeks. This figure compares the recurrent sPTB rates among women with prior sPTB ≥ 24 weeks with versus without a prior FTB, stratified by number of prior sPTB ≥ 24 weeks. FTB, full-term birth; sPTB, spontaneous preterm birth.