Influenza Vaccine in Pregnancy and Breastfeeding
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Inactivated virus vaccine.

Studies of influenza immunization of more than 2,000 pregnant women have demonstrated no adverse fetal effects associated with influenza vaccine. Pregnancy and lactation are not contraindications [1]. The vaccine is recommended by the American College of Obstetricians and Gynecologists " the second and third trimester during the flu season, and  women at high risk for pulmonary complications regardless of the trimester."[2].

BREAST FEEDING: Compatible [3,4].


1. Centers for Disease Control & Prevention. Prevention and Control of Influenza: Recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR 47 (No. RR-6): 6, 1998.
2. ACOG Committee Opinion. Immunization during pregnancy.Obstet Gynecol. 2003 ;101:207-12.MEDLINE
3.Centers for Disease Control & Prevention. General Recommendations on Immunization: Recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR 43 (No. RR-1): 20-21, 1994.
4. Breastfeeding and Maternal Medication. Recommendations for Drugs in the Eleventh WHO Model list of Essential Drugs. pp 23-24 World Health Organization, 2002. 20 Avenue Appia ,1211 Geneva ,Switzerland (PDF file)


Created: 11/27/2002
Last Update: 11/30/2003

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