Comment on

• The Preterm Prediction Study: association of cesarean delivery with increases in maternal weight and body mass index.

  Brost BC, Goldenberg RL, Mercer BM, Iams JD, Meis PJ, Moawad AH, Newman RB, Miodovnik M, Caritis SN, Thurnau GR, Bottoms SF, Das A, McNellis D. Brost BC, et al. Am J Obstet Gynecol. 1997 Aug;177(2):333-7; discussion 337-41. doi: 10.1016/s0002-9378(97)70195-9. Am J Obstet Gynecol. 1997. PMID: 9290448