title: Repeat Tdap Vaccination and Adverse Birth Outcomes--Reply.
authors.affiliation: Immunization Safety Office, Centers for Disease Control and Prevention, Atlanta, Georgia.
authors.forename: Lakshmi
authors.initials: L
authors.lastname: Sukumaran
authors.affiliation: Hubert Department of Global Health, Emory University, Atlanta, Georgia.
authors.forename: Saad B
authors.initials: SB
authors.lastname: Omer
mesh_terms: D022681:Diphtheria-Tetanus-acellular Pertussis Vaccines / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011295:Prenatal Care / Q000592:standards*; D013745:Tetanus Toxoid / Q000008:administration & dosage*; D014611:Vaccination / Q000379:methods*
chemical_list: D022681:Diphtheria-Tetanus-acellular Pertussis Vaccines; D013745:Tetanus Toxoid