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Updated: Jun 13, 2026

Modifying Levels of Maternal Dietary Folic Acid or Choline to Study the Impact of Deficiencies on Offspring Health Outcomes

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A safe strategy to decrease fetal lead exposure in a woman with chronic intoxication.

Adi Leiba¹, Howard Hu, Amin Zheng

¹Department of Internal Medicine, Mount Auburn Hospital, Harvard Medical School, Cambridge, Massachusetts, USA. drleiba@gmail.com

The Journal of Maternal-Fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians

|May 13, 2010

Summary

This summary is machine-generated.

Women with high bone lead levels should delay conception and undergo lead chelation therapy. This approach, combined with calcium, effectively reduced fetal lead exposure during pregnancy.

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Area of Science:

Environmental Health
Toxicology
Reproductive Health

Background:

Maternal bone lead stores can be mobilized during pregnancy, posing a risk to fetal development.
Effective strategies for managing chronic lead exposure in women of childbearing age with high bone lead burden are not well-established.

Observation:

A 29-year-old woman with chronic lead intoxication and high bone lead burden was followed for 4 years.
The management strategy included advising conception delay until toxicological clearance, DMSA chelation therapy, and oral calcium supplementation.

Findings:

The patient maintained low blood lead and protoporphyrin levels throughout her pregnancy and until delivery.
This multi-faceted approach successfully minimized fetal exposure to lead.

Implications:

Delaying conception, utilizing lead chelation therapy (DMSA), and calcium supplementation are crucial for mitigating fetal lead exposure.
This case highlights a viable management strategy for pregnant women with significant lead burdens, protecting both maternal and fetal health.