Can a wrong word move label advice to the wrong patient group?

Yes. 21 CFR 201.57 says this section must contain subsections on pregnancy, lactation, females and males of reproductive potential, pediatric use and geriatric use, and allows more for groups such as people with renal or hepatic impairment. Our view: the words that name the group carry the advice, so a correctly spelled wrong word can point it at the wrong patients. Spellcheck passes it.

This page is general information, not legal or regulatory advice.

For the other sections, see how to proofread a drug label for meaning, section by section. For how the pregnancy and lactation subsections changed, see PLR prescribing information wording. This page covers how to read the section for meaning.

What the section must contain

21 CFR 201.57 sets the subsections and, for some of them, the subheadings and their order:

• Pregnancy. Subheadings for a pregnancy exposure registry, a Risk Summary, Clinical Considerations and Data, in that order. If use is contraindicated during pregnancy, that must be stated first in the Risk Summary.
• Lactation. A Risk Summary, Clinical Considerations and Data. If use is contraindicated during breastfeeding, that must be stated first.
• Females and males of reproductive potential. When testing, contraception or fertility effects apply, subheadings for Pregnancy Testing, Contraception and Infertility, in that order.
• Pediatric use and geriatric use. A specific pediatric or geriatric indication goes in Indications and Usage, with the dosage in Dosage and Administration.

Group words

Our view: this section is built on group words: pregnancy and lactation, pediatric and geriatric, renal and hepatic, females and males. Most come in pairs that are equally fluent in the same sentence. Swap one and the advice still reads, but it now belongs to someone else.

The first line of a Risk Summary

When use is contraindicated in pregnancy or breastfeeding, the rule puts that statement first. Our view: that makes the opening line of each Risk Summary the one to read hardest. A dropped or swapped negation there turns a prohibition into something softer. For reading negations, see wrong words in Contraindications.

Matching Indications and Usage and Dosage and Administration

The rule sends a specific pediatric or geriatric indication to Indications and Usage and the dosage to Dosage and Administration, so the same group appears in at least those sections.

Made-up example: a geriatric use subsection notes a higher risk of "hypotension" in older adults, while the matching dose line in Dosage and Administration cites "hypertension". Both words are real, both lines read normally, and the label now gives conflicting reasons for the same dose change.

How to read the section for meaning

Practice advice:

• Read each subsection heading, then check that each sentence below it is about that group.
• Read the first line of each Risk Summary on its own and ask whether it permits or prohibits.
• Search for each group word and read the hits in Indications and Usage, Dosage and Administration and patient labeling. The group should be the same in each place. See wrong words in Dosage and Administration.
• Check that the fixed subheadings appear in the order the rule sets.

This is our reading of public guidance, not legal or regulatory advice.

Sources

• eCFR: 21 CFR 201.57
• FDA: Pregnancy and Lactation Labeling Resources

Last reviewed: October 18, 2026

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What's in Use in Specific Populations?

21 CFR 201.57 says it must contain subsections on pregnancy, lactation, females and males of reproductive potential, pediatric use and geriatric use, with more allowed for groups such as renal or hepatic impairment.

Why are wrong words risky here?

In our view, because the group words carry the advice. A swapped group word can point advice at the wrong patients.

Do the pregnancy and lactation rules apply to OTC labels?

No. The FDA says labeling for over-the-counter medicines will not change and OTC drug products are not affected by the pregnancy and lactation rule.

How do I check this section for meaning?

Practice advice: read each subsection against its heading, read the first line of each Risk Summary on its own, and match each group word against Indications and Usage and Dosage and Administration.