When changing tablets from Sylvie 20 to Microgynon® 21, do I need to use additional protection at the beginning of taking new tablets?
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Klaudia Ćwiąkała Pharmacist, Editor
2 years ago
When changing birth control pills from Sylvie 20 to Microgynon 21, there is no need for additional contraceptive methods. Below are the materials that may be of interest to you: https://www.gdziepolek.pl/artykuly/jak-prawidlowo-stosowac-antykoncepcje https://www.gdziepolek.pl/artykuly/jakie-leki-oslabiaja-skutecznosc-antykoncepcji https://www.gdziepolek.pl/blog/historia-antykoncepcji-metody-zapobiegania-ciazy-kiedys-i-dzis