Invest in pregnant mothers’ nutritional support

Of all our global promises for development that we are on track to fail by 2030—and there are many—one of the most tragic and infuriating is our limited progress on ending global malnutrition. Yet, achieving a drastic reduction in hunger is certainly within our grasp.

We measure chronic malnutrition in so-called stunting, meaning that children are so chronically underfed that they are much shorter than their peers of the same age.

The rich world has reduced stunting to very low levels, and China has achieved a drop to rich-country levels over the past 30 years. Global stunting has almost halved since 1990, but globally, more than one in five children is still stunted. The World Bank estimates that in the Philippines, 29 percent of children under the age of five were stunted in 2019.

Stunting decreases children’s survival chances, with 3 million children globally dying each year from malnutrition. Stunted children also develop more poorly, and become less productive with a lower income over their entire lifespan. In total, economists estimate the annual global cost of malnutrition to be $3.5 trillion.

This year, we’re at halftime of the world’s Sustainable Development Goals that include promises on nutrition and everything else to be achieved by 2030. Yet, we are far from halfway. Based on trends before COVID-19, we will only achieve the goal of zero hunger in the year 2116, 86 years late.

This global failure is what has motivated my think tank, the Copenhagen Consensus Center, to work with some of the world’s best economists to identify which promises should be prioritized to have the greatest impact.

Their new, peer-reviewed research shows that one of the smartest approaches to addressing malnutrition is to focus on pregnant women. For a small cost, they can be provided with micronutrients that will feed their growing fetus better and avoid some malnutrition later.

Most governments already follow the World Health Organization’s recommendations and provide pregnant women with iron and folic acid supplementation to prevent anemia in the mother and neural tube defects in the newborn. This means switching to a pill that includes more micronutrients will only require some minor education and training in the health care sector, and it will add only a small cost to the new pills that governments hand out.

These new pills are already being mass-produced and contain 13 vitamins and minerals beyond iron and folic acid, including vitamins A, B1, B2, B6, B12, D, and E plus zinc, copper, iodine, and selenium. They cost so little that for 180 days, the additional cost for each mother is just over a dollar. Helping 36 million women in low- and lower middle-income countries in a year with these pills, along with health care training and education, will cost just $84 million in total.

Multimicronutrient supplements will avoid about 7 percent of almost 700,000 stillbirths, 21 percent of all low-birth weights, and 5 percent of all preterm births each year. Avoiding low birth weight and preterm birth means children will be less likely to become malnourished. It means 1.6 million children will avoid becoming stunted each year, allowing them to be more productive as adults. In economic terms, they will become so much better off that the benefits add up to $3 billion in today’s money. Thus, each dollar spent will deliver an astounding benefit worth 38 times the cost.

Calcium tablets are delivered separately from other micronutrients since the tablets are quite large, and two to three are needed every day for the last 20 weeks of pregnancy. The cost is $6 per pregnancy, or $216 million for the 36 million pregnant women that currently take iron and folic acid. This will reduce the number of stillbirths by almost twice as much as multimicronutrients, and it avoids an additional 1.1 million early births and births of low birth weight. Further, calcium also reduces preeclampsia and eclampsia, the rare but serious condition where high blood pressure results in seizures during pregnancy or during birth. This means that calcium may prevent up to 8,500 maternal deaths each year. In total, the benefits of almost $4 billion are 19 times larger than the costs.

Micronutrient supplementation for pregnant women is a fantastic policy, but not a silver bullet. The economists identify several other, very efficient policies. Helping parents in lower income countries to feed their children better is costly, but also improves the children’s nutrition. The investment can deliver benefits worth 16 times the costs. We should also invest much more in research to improve agricultural yields. This will generate more food at a lower cost, reducing malnutrition and increasing growth. Each dollar will deliver a remarkable $33 of social benefits.

Investing more in pregnant mothers’ nutritional support turns out to be one of the most efficient ways to make progress on sustainable development. We owe it to the world to invest in such smart policies first.

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Dr. Bjorn Lomborg is president of the Copenhagen Consensus and visiting fellow at Stanford University’s Hoover Institution.

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This is part of an Inquirer-exclusive series from the Copenhagen Consensus Center on the Sustainable Development Goals.