Women who take the contraceptive pill have an increased risk of thrombosis. Anyone who stops taking the pill will have almost normal values within two to three weeks. A study from Geneva now comes to this conclusion.
This is a joint study between the university and the University Hospital in Geneva. A research team collected blood samples from 66 women who used combined hormonal contraceptives at six different times before and after stopping the contraceptive. In addition to the contraceptive pill, this also included vaginal rings and hormone patches. The samples were compared with blood from 28 women who had not used combined hormonal contraceptives.
The central result: in the first two weeks after stopping the contraceptive, 80 percent of the clotting markers in the blood that indicate the risk of thrombosis had disappeared. After a month the value was 85 percent.
According to the researchers, this suggests that the risk of blood clots from drugs like the pill returns to near-normal levels within two to four weeks after stopping.
Important for operations
In general, contraceptives, that is, contraceptives that contain both estrogens and progestins, increase the risk of thrombosis three to five times (see video about side effects of the pill above). According to the research team, the result is important in larger operations, because special attention must be paid to the risk of blood clots. The study, published in the journal ‘Blood’, provides first information about when it is best to stop taking the pill before medical procedures.
Source: Krone
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