Nutrients (Dec 2021)

The Consumption of Food-Based Iodine in the Immediate Pre-Pregnancy Period in Madrid Is Insufficient. San Carlos and Pregnancy Cohort Study

  • Verónica Melero,
  • Isabelle Runkle,
  • Nuria Garcia de la Torre,
  • Paz De Miguel,
  • Johanna Valerio,
  • Laura del Valle,
  • Ana Barabash,
  • Concepción Sanabria,
  • Inmaculada Moraga,
  • Cristina Familiar,
  • Alejandra Durán,
  • Maria Jose Torrejón,
  • Jose Angel Diaz,
  • Martin Cuesta,
  • Jorge Grabiel Ruiz,
  • Inés Jiménez,
  • Mario Pazos,
  • Miguel Angel Herraiz,
  • Nuria Izquierdo,
  • Noelia Pérez,
  • Pilar Matia,
  • Natalia Perez-Ferre,
  • Clara Marcuello,
  • Miguel Angel Rubio,
  • Alfonso Luis Calle-Pascual

DOI
https://doi.org/10.3390/nu13124458
Journal volume & issue
Vol. 13, no. 12
p. 4458

Abstract

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A pre-gestational thyroid reserve of iodine is crucial to guarantee the increased demand for thyroid hormone production of early pregnancy. An iodine intake ≥150 µg/day is currently recommended. The objective of this study was to assess average pre-gestational food-based iodine consumption in pregnant women at their first prenatal visit (p = 0.026), a lower miscarriage rate, and a decrease in the composite of materno-fetal adverse events (0.81; 0.67–0.98). Reaching the recommended iodine pre-pregnancy intake with foods could benefit the progression of pregnancy.

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