International Board of Certified Lactation Consultant (IBCLC) Practice Exam

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What should be the ideal RID percentage for medication to be considered safe during breastfeeding?

  1. Above 5%

  2. Above 10%

  3. Below 10%

  4. Under 5%

The correct answer is: Below 10%

The ideal RID (Relative Infant Dose) percentage for medication to be considered safe during breastfeeding is categorized as below 10%. This standard suggests that if the amount of a drug transferred to the breastfed infant is less than 10% of the maternal dose, the risk of potential adverse effects is typically lower. This threshold allows for a balance between the benefits of the medication for the nursing mother and the safety of the infant. It is crucial for health professionals to evaluate medications through this lens, especially considering the sensitivity of infants to drugs. Thus, a RID below 10% is indicative of a medication that is less likely to cause harm, and it is generally regarded as a safer option for breastfeeding mothers.