# Risk of thrombosis associated with oral contraceptive pills use in Japan: a target trial emulation study

Source: [Medical research : nature.com subject feeds](https://www.nature.com/articles/s41598-026-74972-9) · 2026-11-12 · Medicine
Page: https://themorning.science/story/risk-of-thrombosis-associated-with-oral-contraceptive-pills-use-in-japan-a-targe-eda7af7300d117d6
Kind: research · Impact: low

## In brief

- A target trial emulation study examined the risk of thrombosis associated with oral contraceptive pill use in Japan.
- The source provided only the title and feed listing, so the study's findings and effect sizes are not available here.

## Why it matters

Thrombosis is a known risk linked to combined oral contraceptives, and population studies from different countries help clarify how large that risk is for real users.

## Timeline

- 2026-11-12: Study appeared in Nature subject feeds

## Coverage

- [Risk of thrombosis associated with oral contraceptive pills use in Japan: a target trial emulation study](https://www.nature.com/articles/s41598-026-74972-9) — Medical research : nature.com subject feeds, 2026-11-12

Tags: oral contraceptives, thrombosis, pharmacoepidemiology, japan, target trial emulation

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Science – https://themorning.science