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Question 511
Endocrinology → General
Classification
Question
SSBAQuestion Header
A woman requires approximately 120 micrograms of iodine daily before conception. Which daily intake most closely reflects the increased requirement during pregnancy?
Question Stem
Select the single best answer.
Options
A
120 micrograms
B
135 micrograms
C
150 micrograms
D
160 micrograms
E
175 micrograms
Explanation
The stated daily iodine requirement for women is approximately 120 micrograms. Pregnancy increases the requirement by about 50%, to approximately 175 micrograms per day. During breastfeeding the stated requirement is approximately 200 micrograms per day.
Option Validity
A) Approximately 120 micrograms is the stated requirement for a non-pregnant woman.
B) This does not represent the approximately 50% increase required during pregnancy.
C) This remains below the stated pregnancy requirement.
D) This remains below the approximate pregnancy requirement of 175 micrograms daily.
Further Reading
Saxena, MRCOG-1 Basic Sciences, Endocrinology: Thyroid Gland - Pregnancy and Iodine.