Safety of tetanus toxoid in pregnant women: a hospital-based case-control study of congenital anomalies.
Reported are the results of the Latin American Collaborative Study of Congenital Malformations (ECLAMC), a hospital-based case-control study of 34,293 malformed and 34,477 matched nonmalformed newborn controls. No statistical differences were found between the malformed and control groups, exposed or not exposed to tetanus toxoid.
Silveira
C M
CM
Expanded Program on Immunization, Pan American Health Organization, Washington, DC 20037, USA.
Cáceres
V M
VM
Dutra
M G
MG
Lopes-Camelo
J
J
Castilla
E E
EE
D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D016907:Adverse Drug Reaction Reporting Systems; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D012307:Risk Factors; D013020:South America; D013745:Tetanus Toxoid / Q000009:adverse effects*
D013745:Tetanus Toxoid