Author(s):
Macedo, António 
; Cardoso, Sónia
Date: 2010
Origin: Acta Médica Portuguesa
Document details
Routine iron supplementation in pregnancy.
Description
Iron deficiency anemia is the micronutrient deficiency most prevalent in the world primarily affecting young children and pregnant or puerperal women. It is also associated with an increase in perinatal and maternal morbidity and mortality. Increasing iron demands in pregnancy are common knowledge, however the evidence of a clinical effect of routine iron supplementation in uncomplicated pregnancy is controversial.To determine if routine iron supplementation in uncomplicated pregnancy has clinical effects for the mother or newborn.A systematic review was conducted in the electronic databases Medline, Cochrane Library, Medscape, DARE, United States Preventive Services Task Force and National Guideline Clearinghouse using the keywords iron and pregnancy. Articles published until August 2008 were chosen for the review. The Strength of Recommendation Taxonomy (SORT) was used to grade the level of evidence.Routine iron supplementation in uncomplicated pregnancy increases or maintains the levels of blood iron and ferritin and results in a substantial reduction of women with low hemoglobin. However, this supplementation does not have detectable effects in any of the important clinical outcomes (p.e. preterm labor, duration of pregnancy, cesarean rate, birthweight, perinatal mortality or Apgar at birth). Iron supplementation is also responsible for some undesired effects.The evidence seems to show that there are no clinical improvements to recommend routine iron supplementation in all pregnancies. Women who show signs or symptoms of anemia at any time during pregnancy should be evaluated. Iron deficiency anemia is the micronutrient deficiency most prevalent in the world primarily affecting young children and pregnant or puerperal women. It is also associated with an increase in perinatal and maternal morbidity and mortality. Increasing iron demands in pregnancy are common knowledge, however the evidence of a clinical effect of routine iron supplementation in uncomplicated pregnancy is controversial.To determine if routine iron supplementation in uncomplicated pregnancy has clinical effects for the mother or newborn.A systematic review was conducted in the electronic databases Medline, Cochrane Library, Medscape, DARE, United States Preventive Services Task Force and National Guideline Clearinghouse using the keywords iron and pregnancy. Articles published until August 2008 were chosen for the review. The Strength of Recommendation Taxonomy (SORT) was used to grade the level of evidence.Routine iron supplementation in uncomplicated pregnancy increases or maintains the levels of blood iron and ferritin and results in a substantial reduction of women with low hemoglobin. However, this supplementation does not have detectable effects in any of the important clinical outcomes (p.e. preterm labor, duration of pregnancy, cesarean rate, birthweight, perinatal mortality or Apgar at birth). Iron supplementation is also responsible for some undesired effects.The evidence seems to show that there are no clinical improvements to recommend routine iron supplementation in all pregnancies. Women who show signs or symptoms of anemia at any time during pregnancy should be evaluated.
Iron deficiency anemia is the micronutrient deficiency most prevalent in the world primarily affecting young children and pregnant or puerperal women. It is also associated with an increase in perinatal and maternal morbidity and mortality. Increasing iron demands in pregnancy are common knowledge, however the evidence of a clinical effect of routine iron supplementation in uncomplicated pregnancy is controversial.To determine if routine iron supplementation in uncomplicated pregnancy has clinical effects for the mother or newborn.A systematic review was conducted in the electronic databases Medline, Cochrane Library, Medscape, DARE, United States Preventive Services Task Force and National Guideline Clearinghouse using the keywords iron and pregnancy. Articles published until August 2008 were chosen for the review. The Strength of Recommendation Taxonomy (SORT) was used to grade the level of evidence.Routine iron supplementation in uncomplicated pregnancy increases or maintains the levels of blood iron and ferritin and results in a substantial reduction of women with low hemoglobin. However, this supplementation does not have detectable effects in any of the important clinical outcomes (p.e. preterm labor, duration of pregnancy, cesarean rate, birthweight, perinatal mortality or Apgar at birth). Iron supplementation is also responsible for some undesired effects.The evidence seems to show that there are no clinical improvements to recommend routine iron supplementation in all pregnancies. Women who show signs or symptoms of anemia at any time during pregnancy should be evaluated. Iron deficiency anemia is the micronutrient deficiency most prevalent in the world primarily affecting young children and pregnant or puerperal women. It is also associated with an increase in perinatal and maternal morbidity and mortality. Increasing iron demands in pregnancy are common knowledge, however the evidence of a clinical effect of routine iron supplementation in uncomplicated pregnancy is controversial.To determine if routine iron supplementation in uncomplicated pregnancy has clinical effects for the mother or newborn.A systematic review was conducted in the electronic databases Medline, Cochrane Library, Medscape, DARE, United States Preventive Services Task Force and National Guideline Clearinghouse using the keywords iron and pregnancy. Articles published until August 2008 were chosen for the review. The Strength of Recommendation Taxonomy (SORT) was used to grade the level of evidence.Routine iron supplementation in uncomplicated pregnancy increases or maintains the levels of blood iron and ferritin and results in a substantial reduction of women with low hemoglobin. However, this supplementation does not have detectable effects in any of the important clinical outcomes (p.e. preterm labor, duration of pregnancy, cesarean rate, birthweight, perinatal mortality or Apgar at birth). Iron supplementation is also responsible for some undesired effects.The evidence seems to show that there are no clinical improvements to recommend routine iron supplementation in all pregnancies. Women who show signs or symptoms of anemia at any time during pregnancy should be evaluated.
Document Type
Article
Language Portuguese
Language Portuguese
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