title: Davis et al. respond.
authors.affiliation: Regina R. Davis, Sandra L. Hofferth, and Edmond D. Shenassa are with the Department of Family Science, Maternal and Child Health Program, University of Maryland School of Public Health, College Park. Regina R. Davis is also with the American Public Health Association, Washington, DC.
authors.forename: Regina R
authors.initials: RR
authors.lastname: Davis
authors.forename: Sandra L
authors.initials: SL
authors.lastname: Hofferth
authors.forename: Edmond D
authors.initials: ED
authors.lastname: Shenassa
mesh_terms: D005260:Female; D006801:Humans; D007226:Infant Mortality; D011247:Pregnancy; D015430:Weight Gain