Can the lack of bleeding during a break in the use of pills occur as a result of changing the contraceptive pill from Sylvie 20 to Microgynon 21?
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Anna Tyrańska Pharmacist
2 years ago
Yes, it can happen. Sometimes withdrawal bleeding does not occur at all or is very scanty - there is no reason to worry as long as you use the tablets regularly, at similar times every day and without skipping doses. Please be patient.