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November 11, 2024
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Four in five pregnant women in Ireland are iron deficient, finds study


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More than 80% of pregnant women in Ireland are iron deficient by their third trimester, according to a new study my colleagues and I conducted. What we found particularly surprising was that the women were in otherwise good health.

Working alongside the University of Minnesota and the Masonic Institute of the Developing Brain, we analyzed data from 641 participants based in the Republic of Ireland. All were pregnant with their first child. We took at 15, 20 and 33 weeks to track their iron levels.

Our study, one of the largest of its kind globally, reveals how widespread iron deficiency is, even in wealthy countries like Ireland. Indeed, the women in this study had higher rates of iron deficiency than women in some where access to good health care and nutritious foods is more limited.

In the early months of pregnancy, 20% of women were at 15 weeks, but none were anemic. But by the third trimester, more than 80% were iron deficient. This suggests that while many women may begin pregnancy with normal iron levels, they are not getting enough to keep up with the body’s increasing needs as pregnancy progresses.

One of the most surprising aspects of this study is that about 75% of the women were taking that met the European recommended dietary allowance of 15-17mg of iron. While this supplement was protective for some women, iron deficiency was still extremely common by the .

Why iron is so important

Pregnant women require ten times more iron during pregnancy to support their own needs and those of their growing baby. It’s used by both mother and baby to move oxygen around the body, which is essential for keeping all the cells and organs working properly.

Low iron levels are associated with a higher risk of harm for both mother and child.

Iron deficiency can have long-term consequences on the child’s brain development, leading to poorer cognition, behavioral problems and poorer motor skills. My previous research has shown that iron deficiency in early life is associated with behavioral problems at five years of age.

Our research suggests that women should be routinely screened for iron deficiency in early pregnancy. Currently, screening for the early stages of isn’t the norm in Ireland or many other countries, meaning many women don’t realize they have low iron levels until late in pregnancy—or not at all.

Screening in early pregnancy could identify those at the greatest risk of deficiency, allowing them to get help before it becomes a problem.

As well as screening, there’s a need to educate women about the importance of iron during pregnancy. Women are urged to focus on an iron-rich diet, including red meat, green leafy vegetables, beans, nuts and dried fruit. While iron from animal foods is more easily absorbed, iron-rich food from both animals and plants is important.

Routine screening and better education on the importance of iron during pregnancy are vital in benefiting families and helping avoid any unnecessary risks.

Provided by
The Conversation


This article is republished from The Conversation under a Creative Commons license. Read the original article.The Conversation

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Four in five pregnant women in Ireland are iron deficient, finds study (2024, October 4)
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