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Photo by Meutia Chaerani
and Indradi Soemardjan
Delaying umbilical cord clamping by a few minutes can reduce the risk of anemia several months after birth, according to research published in JAMA Pediatrics.
A randomized clinical trial showed that delaying cord clamping by 3 minutes or more after birth—rather than clamping within 1 minute of birth—reduced the prevalence of anemia, iron deficiency, and iron deficiency anemia in infants at 8 months and 12 months of age.
Ola Andersson, MD, PhD, of Uppsala University in Uppsala, Sweden, and his colleagues conducted this research in Nepal, a country with a high prevalence of anemia.
The study included 540 infants—281 boys and 259 girls—with a mean gestational age of 39.2 weeks. Half of the subjects were randomized to delayed cord clamping (3 minutes or more after birth) or early cord clamping (within 1 minute of birth).
At 8 months of age, 78.5% of infants from the delayed clamping group and 69.6% from the early clamping group returned for blood sampling.
Results showed that infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.4 g/dL and 10.2 g/dL, respectively (P=0.008).
Infants in the delayed clamping group also had a lower incidence of:
- Anemia (hemoglobin level <11.0 g/dL)—73.0% and 82.2%, respectively (P=0.01)
- Iron deficiency—22.2% and 38.1%, respectively (P<0.001)
- Iron deficiency anemia—19.3% and 33.3%, respectively (P<0.001).
The relative risk (RR) of anemia was 0.89, the RR of iron deficiency was 0.58, and the RR of iron deficiency anemia was 0.58.
Results were similar when the infants reached 12 months of age, although all the between-group differences were not statistically significant.
Again, infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.3 g/dL and 10.1 g/dL, respectively (P=0.02).
And infants in the delayed clamping group had a lower incidence of:
- Anemia—77.8% and 85.9%, respectively (P=0.02)
- Iron deficiency—35.6% and 43%, respectively (P=0.09)
- Iron deficiency anemia—30.4% and 37.8%, respectively (P=0.08).
The RR of anemia was 0.91, the RR of iron deficiency was 0.83, and the RR of iron deficiency anemia was 0.80.
The researchers said this study shows that delayed cord clamping was an effective intervention to reduce anemia in a high-risk population, with minimal cost and without apparent adverse effects.
The team believes that, if this intervention were implemented on a global scale, this could translate to 5 million fewer infants with anemia at 8 months of age. 
Photo by Meutia Chaerani
and Indradi Soemardjan
Delaying umbilical cord clamping by a few minutes can reduce the risk of anemia several months after birth, according to research published in JAMA Pediatrics.
A randomized clinical trial showed that delaying cord clamping by 3 minutes or more after birth—rather than clamping within 1 minute of birth—reduced the prevalence of anemia, iron deficiency, and iron deficiency anemia in infants at 8 months and 12 months of age.
Ola Andersson, MD, PhD, of Uppsala University in Uppsala, Sweden, and his colleagues conducted this research in Nepal, a country with a high prevalence of anemia.
The study included 540 infants—281 boys and 259 girls—with a mean gestational age of 39.2 weeks. Half of the subjects were randomized to delayed cord clamping (3 minutes or more after birth) or early cord clamping (within 1 minute of birth).
At 8 months of age, 78.5% of infants from the delayed clamping group and 69.6% from the early clamping group returned for blood sampling.
Results showed that infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.4 g/dL and 10.2 g/dL, respectively (P=0.008).
Infants in the delayed clamping group also had a lower incidence of:
- Anemia (hemoglobin level <11.0 g/dL)—73.0% and 82.2%, respectively (P=0.01)
- Iron deficiency—22.2% and 38.1%, respectively (P<0.001)
- Iron deficiency anemia—19.3% and 33.3%, respectively (P<0.001).
The relative risk (RR) of anemia was 0.89, the RR of iron deficiency was 0.58, and the RR of iron deficiency anemia was 0.58.
Results were similar when the infants reached 12 months of age, although all the between-group differences were not statistically significant.
Again, infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.3 g/dL and 10.1 g/dL, respectively (P=0.02).
And infants in the delayed clamping group had a lower incidence of:
- Anemia—77.8% and 85.9%, respectively (P=0.02)
- Iron deficiency—35.6% and 43%, respectively (P=0.09)
- Iron deficiency anemia—30.4% and 37.8%, respectively (P=0.08).
The RR of anemia was 0.91, the RR of iron deficiency was 0.83, and the RR of iron deficiency anemia was 0.80.
The researchers said this study shows that delayed cord clamping was an effective intervention to reduce anemia in a high-risk population, with minimal cost and without apparent adverse effects.
The team believes that, if this intervention were implemented on a global scale, this could translate to 5 million fewer infants with anemia at 8 months of age.
Photo by Meutia Chaerani
and Indradi Soemardjan
Delaying umbilical cord clamping by a few minutes can reduce the risk of anemia several months after birth, according to research published in JAMA Pediatrics.
A randomized clinical trial showed that delaying cord clamping by 3 minutes or more after birth—rather than clamping within 1 minute of birth—reduced the prevalence of anemia, iron deficiency, and iron deficiency anemia in infants at 8 months and 12 months of age.
Ola Andersson, MD, PhD, of Uppsala University in Uppsala, Sweden, and his colleagues conducted this research in Nepal, a country with a high prevalence of anemia.
The study included 540 infants—281 boys and 259 girls—with a mean gestational age of 39.2 weeks. Half of the subjects were randomized to delayed cord clamping (3 minutes or more after birth) or early cord clamping (within 1 minute of birth).
At 8 months of age, 78.5% of infants from the delayed clamping group and 69.6% from the early clamping group returned for blood sampling.
Results showed that infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.4 g/dL and 10.2 g/dL, respectively (P=0.008).
Infants in the delayed clamping group also had a lower incidence of:
- Anemia (hemoglobin level <11.0 g/dL)—73.0% and 82.2%, respectively (P=0.01)
- Iron deficiency—22.2% and 38.1%, respectively (P<0.001)
- Iron deficiency anemia—19.3% and 33.3%, respectively (P<0.001).
The relative risk (RR) of anemia was 0.89, the RR of iron deficiency was 0.58, and the RR of iron deficiency anemia was 0.58.
Results were similar when the infants reached 12 months of age, although all the between-group differences were not statistically significant.
Again, infants in the delayed clamping group had higher levels of hemoglobin than infants in the early clamping group—10.3 g/dL and 10.1 g/dL, respectively (P=0.02).
And infants in the delayed clamping group had a lower incidence of:
- Anemia—77.8% and 85.9%, respectively (P=0.02)
- Iron deficiency—35.6% and 43%, respectively (P=0.09)
- Iron deficiency anemia—30.4% and 37.8%, respectively (P=0.08).
The RR of anemia was 0.91, the RR of iron deficiency was 0.83, and the RR of iron deficiency anemia was 0.80.
The researchers said this study shows that delayed cord clamping was an effective intervention to reduce anemia in a high-risk population, with minimal cost and without apparent adverse effects.
The team believes that, if this intervention were implemented on a global scale, this could translate to 5 million fewer infants with anemia at 8 months of age.