# Endo Vitd No Testing Pregnancy

> Against routine vitamin D testing during pregnancy

- Skill: `dromlakhani/endo-vitd-no-testing-pregnancy` (Agent Skill)
- Install (CLI): `npx skillmds@latest add dromlakhani/endo-vitd-no-testing-pregnancy`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dromlakhani/endo-vitd-no-testing-pregnancy/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: dromlakhani (https://skillmd.com/u/dromlakhani)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/dromlakhani/endo-vitd-no-testing-pregnancy

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# Against routine vitamin D testing during pregnancy

## STEP 1 — Gather Information
Confirm pregnancy status and assess for symptoms or conditions indicating vitamin D deficiency (e.g., hypocalcemia, seizures, cardiomyopathy, malabsorption, renal/hepatic disease, medications affecting vitamin D). Collect gestational age, dietary/supplement intake, and risk factors; if asymptomatic and no established indications, proceed to next step.

## STEP 2 — Rule In / Rule Out
Rule out established indications for 25(OH)D testing: presence of hypocalcemia, symptomatic vitamin D deficiency, malabsorption syndromes, chronic kidney/liver disease, or use of anticonvulsants/glucocorticoids. If any indication is present, testing may be warranted; otherwise, rule out need for routine testing.

## STEP 3 — Classify or Stratify
Classify the patient as pregnant without established indications for vitamin D testing (i.e., asymptomatic for deficiency and no comorbid conditions that alter vitamin D physiology).

## STEP 4 — Decide
Do not order routine 25(OH)D testing; consider empiric vitamin D supplementation via prenatal vitamin or fortified foods as per guideline Recommendation 8, and reassure the patient that testing is unnecessary in this context.

## Clinical Guardrails / Mimics / Pitfalls
Do not test solely for screening in asymptomatic pregnant patients; do not delay supplementation awaiting test results; avoid using testing to guide vitamin D dosing in pregnancy without symptoms; recognize that testing may be appropriate if symptoms of deficiency (e.g., hypocalcemic seizures, cardiomyopathy) arise; note that dark complexion or obesity alone do not indicate testing without clinical signs.

## Concrete Clinical Example
A 28‑year‑old woman at 16 weeks gestation presents for routine prenatal care, reports no bone pain, muscle weakness, or seizures, and takes a prenatal vitamin containing 400 IU vitamin D daily. She asks whether she should have her vitamin D level checked. According to the guideline, routine testing is not indicated; she is reassured that empiric supplementation via her prenatal vitamin is appropriate and testing is unnecessary unless symptoms develop.

**Source:** Vitamin D for the Prevention of Disease: An Endocrine Society Clinical Practice Guideline, Endocrine Society, 2024, https://doi.org/10.1210/clinem/dgae290