Cut the Cord Late: How a few minutes could protect from anemia

You know those yucky brown iron-vitamin drops that pediatricians recommend for breast fed babies?  The stuff that stains everything it touches and makes your baby’s poop turn green?  I must confess that I’ve never been good at giving infant iron drops regularly, which is probably why all four of my children have had borderline anemia as infants.  Finally, we’ve found a better way to prevent neonatal anemia—delayed umbilical cord clamping.

Usually the umbilical cord is clamped within one minute of a baby’s birth, but it seems that waiting just 1-3 minutes after birth to clamp the cord allows the placenta to give a few more pulses of blood to the baby.  This extra blood from the placenta can be as much as 30-40% of the baby’s total blood volume.  And all that extra blood can prevent anemia in the first six months of life.  Waiting these extra few minutes before clamping the cord is referred to as “delayed cord clamping.”

This conclusion is supported by a new meta-analysis of years of research published in the July 11th Newborn1issue of the Cochrane Database of Systematic Reviews.  This analysis included almost 4000 women and their babies.

It has long been thought that delaying cord clamping would increase a mother’s risk of post-partum blood loss or hemorrhage, but this study found no increase risk of hemorrhage from delayed cord clamping after vaginal birth.  There is still limited data regarding delayed cord clamping and risk of maternal blood loss after cesarean section.

But delaying cord clamping did make a difference in the health of the babies. Between one and two days after birth, their hemoglobin levels were higher; between three and six months after birth, they were less likely to be deficient in iron.

The research continues to show that delayed cord clamping can slightly increase an infant’s risk of jaundice, by about 2%.  This may increase a baby’s need for a repeat blood test for jaundice.  But even severe cases of jaundice are easily treated with a few days of phototherapy, especially in areas of the world with good access to medical care.  Jaundice is rarely dangerous when appropriately screened for and treated.  Anemia, on the other hand, is associated with poor cognitive development in infants and children, among a host of other problems.  Treatment and prevention of anemia is primarily with iron supplementation—those infamous brown drops.

Let’s be realistic about iron supplementation—how many breastfeeding parents really give the brown infant drops (often sold under the brand name poly-vi-sol)?  I’ve even had parents tell me they stopped breastfeeding just so that they wouldn’t have to give the poly-vi-sol anymore.  One of my own babies always spit them up within ten minutes, spewing greenish-brown partially digested breast milk all over our house and our clothes.  We had to rip up the carpets in our old house before we sold it because there were so many poly-vi-sol stains.  My husband flat-out refused to give it anymore.  I went to a pediatric lecture about the dangers of infant anemia and, feeling very guilty about my non-compliance with poly-vi-sol, asked all the pediatrician-parents I know how they got their babies to take the stuff and keep it down.  Most admitted that they stopped giving it after a few months.

All newborns need vitamin D supplementation, and breastfed infants do still need those iron drops starting at age 4 months if they have not yet started solid foods.  The AAP recommends starting your baby on solid foods including iron-fortified cereal at age 4-6 months, and once they do you don’t need to give the iron drops anymore unless your baby has anemia.

Now that we know the benefits of delayed cord clamping, hopefully my time with infant iron drops will be very limited.  And when my 5th baby is born in about 8 weeks, you can bet delayed cord clamping will be part of my birth plan.

Kathleen Berchelmann, M.D. About Kathleen Berchelmann, M.D.

Kathleen M. Berchelmann, M.D., is a pediatrician at St. Louis Children's Hospital and Washington University School of Medicine, director of the St. Louis Children's Hospital Social Media Team, and co-founder of the ChildrensMD hospital physician blog. Her work has been featured in print and online publications including the St. Louis Post-Dispatch, the Chicago Tribune, and TIME magazine. She is a frequent contributor to Fox2 News STL Moms. Kathleen and her husband are raising five children.

Follow Dr. Kathleen Berchelmann on Facebook: ChildrensMomDocs Twitter: @MomDocKathleen and connect with her on .

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  1. [...] Delayed cord clamping is now recommended by most pediatricians, but you may have to request this procedure.  Delayed cord clamping may not be an option if your baby is not breathing or ill. [...]

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