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NEW DELHI — A recent review of studies published in the medical journal Blood provides new insights into the risk of blood clots associated with hormonal contraceptives, a topic that has been a subject of medical debate for decades. The findings confirm that while the overall risk remains low, the use of combined hormonal contraceptives—including pills, patches, and vaginal rings—does significantly increase a woman’s chance of developing a dangerous blood clot.
The research highlights that the risk is not uniform across all types of hormonal birth control. Methods containing both estrogen and a progestin are the primary concern, as estrogen has been shown to increase the levels of procoagulant factors in the blood. Studies reviewed indicate that the risk of a blood clot is elevated by about three- to seven-fold for users of combined oral contraceptives compared to non-users. However, the absolute risk remains small, with approximately 10 out of every 10,000 users per year experiencing a clot.
The study also provides reassuring information for those who have used hormonal contraceptives in the past. Researchers found that the elevated risk of blood clots falls rapidly once the use of hormonal contraceptives is stopped, with most of the risk returning to baseline levels within two to four weeks. This is a critical finding that can help inform discussions between patients and doctors, particularly when considering temporary discontinuation before major surgery or other medical events that also increase the risk of clotting.
While the risk is small for the general population, several factors can increase it, including obesity, smoking, a family history of blood clots, and certain genetic predispositions. For these individuals, the risk can become substantial, and healthcare providers often recommend alternative, progestin-only, or non-hormonal birth control methods, which have not been shown to carry the same thrombotic risk.
These findings underscore the importance of an informed discussion between patients and their healthcare providers to weigh the benefits of contraception against individual risk factors.
Disclaimer
This news article is for informational purposes only and does not constitute medical advice. It is essential for individuals to consult with a qualified healthcare professional to discuss their personal health history, risk factors, and to determine the most suitable contraceptive method.
Reference
Blondon, Marc. “Longitudinal profile of estrogen-related thrombotic biomarkers after cessation of combined hormonal contraceptives.” Blood, 2024.
Original source link for the provided information: https://www.emedinexus.com/post/50385/New-Research-Showed-Hormonal-Contraceptives-May-Trigger-Clots
