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Kidney Stones in Pregnancy: Delivery Outcomes

National inpatient data show higher complication rates and longer hospital stays among pregnant patients with kidney stones.

  • By

  • Kathryn Wighton

  • March 11, 2026

  • 4 min

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  • 1

    Pregnant patients with renal calculi experienced higher rates of labor and delivery complications compared to those without.

  • 2

    Hospital stays for patients with renal calculi averaged 5.1 days, significantly longer than 2.6 days for those without.

  • 3

    Demographic factors, including insurance status and race, influenced complication rates among pregnant patients with renal calculi.

  • 4

    Patients from lower-income ZIP codes had a higher risk of labor and delivery complications associated with renal calculi.

  • 5

    The study utilized a national cross-sectional design, analyzing over 698,000 delivery records from the HCUP-NIS database.

Original Source(s)

Kidney Stones in Pregnancy: Delivery Outcomes

  • by Kathryn Wighton

  • March 11, 2026

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