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Prevalence of Vitamin D Deficiency in Pregnant Women: Systematic Review and Meta-analysis

Cristófalo MM, de Almeida Garcia JO, Aldrighi JFS, Cristófalo RM, França MLM, Luzia LA, Vasconcelos SP, Aldrighi JM

Nutrition reviews · 5 citas

Etiquetas de revisión

Financiación no declarada

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Cómo se estudió

Diseño
Metaanálisis (indexado por PubMed)
Estudiado en
Personas
Resultado principal
Marcadores de salud y funcionamiento

Quién lo pagó

Financiación
Financiación no declarada

Publicación

Publicado
2025-07-17 · Nutr Rev · vol. 84 · número 3 · págs. 600–614
Editorial
Oxford University Press
Citado
5 citas · más que el 82% de estudios similares · 1.6× el promedio de su campo
Referencias
134 trabajos
Acceso
De pago
Áreas de investigación
Vitamin D Research Studies · Pregnancy and preeclampsia studies · Iron Metabolism and Disorders
Palabras clave
vitamin D deficiency, Vitamin D and neurology, Pregnancy, Vitamin deficiency, MEDLINE
MeSH
humans, pregnancy complications, vitamin d deficiency, vitamin d, prevalence, pregnancy, pregnancy trimesters, female

8 autores

  • Milena Martello Cristófalo🇧🇷Universidade de São Paulo
  • José Manuel Hernández García🇧🇷Hospital Israelita Albert Einstein
  • JM Aldrighi🇧🇷Universidade de São Paulo; Universidade Cidade de São Paulo
  • Renan Martello Cristófalo🇧🇷Universidade de São Paulo
  • Maria Laura Marconi França🇧🇷Universidade de São Paulo
  • Liania Alves Luzia🇧🇷Universidade de São Paulo
  • Suleima Pedroza Vasconcelos🇧🇷Universidade Federal do Acre; Universidade de São Paulo
  • José Mendes Aldrighi🇧🇷Universidade de São Paulo; Universidade Cidade de São Paulo

Resumen

El texto original del estudio, en el idioma en que se publicó.

Context

Vitamin D is an essential steroid prehormone whose effects have garnered significant interest during pregnancy and lactation. Adequate vitamin D levels are crucial for embryonic implantation, immune modulation, and preventing adverse maternal outcomes such as preeclampsia, gestational diabetes, and preterm birth.

Objectives

To estimate the prevalence of vitamin D deficiency in each trimester of pregnancy.

Data sources

This is a systematic review and meta-analysis, conducted according to the PRISMA guidelines. Online databases were searched from inception to July 2023, including Medline/PubMed, Embase, and LILACS.

Data extraction

All English, Spanish, and Portuguese articles that specified the prevalence of vitamin D deficiency in each of the 3 trimesters of pregnancy were included. All screening and data extraction were performed independently by 2 authors. Risk-of-bias assessment was performed using the Newcastle-Ottawa Scale.

Data analysis

A total of 2627 articles were retrieved, and after evaluating eligibility criteria, 116 full-text articles were included. These comprised observational studies, totaling 127 290 pregnant women who underwent serum 25(OH)D evaluation. Vitamin D deficiency is a common condition among pregnant women. The meta-analysis revealed that 68% (95% CI, 60%-76%) of pregnant women had 25(OH)D <30 ng/mL in the first trimester, 81% (95% CI, 74%-87%) in the second trimester, and 70% (95% CI, 64%-75%) in the third trimester, indicating a widespread deficiency of this vitamin.

Conclusion

A thorough analysis of the studies included in this review shows that hypovitaminosis D during pregnancy is a highly prevalent condition that occurs in all 3 trimesters. Given this high prevalence, these findings may be valuable for planning public health policies aimed at pregnant women.

Systematic review registration

PROSPERO registration no. CRD42022343256.

Resumen vía Europe PMC. Los derechos de autor siguen siendo de los autores o la editorial.

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