Birth control pills under scrutiny for vein disease link
NCT ID NCT04451746
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether combined oral contraceptives (birth control pills) influence the development or worsening of chronic venous diseases, like varicose veins. Researchers followed 116 women taking different types of birth control pills. The goal was to see if these pills are linked to vein problems or deep vein thrombosis.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- combined oral contraceptives (birth control pills)
- What this could lead to
- If results are clear, this could help doctors understand whether birth control pills influence vein health and guide safer prescribing.
- What could go wrong
- This is a small, completed observational study, not a controlled trial. It cannot prove cause and effect, and findings may not apply to all women.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Clinic of phlebology and laser surgery
Chelyabinsk, 454090, Russia