I have been using Evra patches for over a year now. My patch change day is Sunday. In the fourth week, when I do not stick the patch, bleeding occurs only on Thursday. And this is where this "problem" begins, because it used to start on Tuesday. This is quite a significant change and I have been observing it for about 4 months. Does this mean that the patches are already less effective? What does such a change mean?
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Małgorzata Bekier Pharmacist
3 years ago
No, this does not mean that the patches work less well. There is no tendency for the duration of contraceptive use to affect its gradual weakening. Changing the occurrence of the bleeding day from Tuesday to Thursday is not something that is a cause for concern about effectiveness. I leave a link to the video related to the topic: