DrugPregnancyCategory

DrugPregnancyCategory is a 6-value MedicalEnumeration on Drug.pregnancyCategory. Values reflect FDA historical pregnancy categories: FDAcategoryA (no risk in controlled human studies), FDAcategoryB (no risk in animal studies), FDAcategoryC (risk in animal studies, inadequate human data), FDAcategoryD (evidence of human risk — benefits may outweigh), FDAcategoryX (contraindicated), FDAnotEvaluated.

Full example of schema.org/DrugPregnancyCategory json-ld markup

The markup is verified as valid with Rich Results Test from Google.

schema.org/DrugPregnancyCategory

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Drug",
  "name": "Atorvastatin",
  "pregnancyCategory": "https://schema.org/FDAcategoryX",
  "prescriptionStatus": "https://schema.org/PrescriptionOnly"
}
</script>

Minimal valid version

The smallest markup that still produces a valid DrugPregnancyCategory entity. Use it as the floor. Reach for the advanced example above when you want search engines and AI agents to understand more about your content.

schema.org/DrugPregnancyCategory (minimal)

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Drug",
  "pregnancyCategory": "https://schema.org/FDAcategoryB"
}
</script>

Google rich results this unlocks

DrugPregnancyCategory is a structural type. It does not produce a rich result on its own.

Its value comes from combining it with a primary type whose markup earns a rich result (Article, Product, Event, and so on). DrugPregnancyCategory becomes the trunk that the primary type branches off viamainEntityorbreadcrumb. Include it on every page as the backbone of your markup.

Common DrugPregnancyCategory mistakes

Mistakes that pass validation but silently fail to earn rich results or mislead consumers walking the graph. Avoid these and your markup will be ahead of most sites in the wild.

01
Pregnancy category as a letter
Wrong
```
"pregnancyCategory": "X"
```
Right
```
"pregnancyCategory": "https://schema.org/FDAcategoryX"
```
Only the six URIs map to the MedicalEnumeration closed set.

Schema properties in this example

DrugPregnancyCategory MedicalEnumeration pregnancyCategory FDAcategoryA FDAcategoryB FDAcategoryC FDAcategoryD FDAcategoryX FDAnotEvaluated

About the example data

"FDAcategoryX" on the atorvastatin reference — the contraindication Jane Xoo flagged in her antenatal-medication notes.

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