Weight loss surgery may change how birth control works – new study

NCT ID NCT06345560

First seen Mar 26, 2026 · Last updated Apr 30, 2026 · Updated 4 times

Summary

This study checks if bariatric surgery changes how the body absorbs drospirenone-only birth control pills. Sixteen obese Thai women who need contraception will take the pill before and after surgery, and their blood levels will be measured. The goal is to see if the surgery affects how well the pill works.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Chulalongkorn University

    RECRUITING

    Bangkok, 10330, Thailand

    Contact

Conditions

Explore the condition pages connected to this study.