Pregnancy outcomes with weight gain above or below the 2009 institute of medicine guidelines

Julie Johnson, Rebecca G. Clifton, James M. Roberts, Leslie Myatt, John C. Hauth, Catherine Y. Spong, Michael W. Varner, Ronald J. Wapner, John M. Thorp, Brian M. Mercer, Alan M. Peaceman, Susan M. Ramin, Philip Samuels, Anthony Sciscione, Margaret Harper, Jorge E. Tolosa, George Saade, Yoram Sorokin