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Mavenclad and period

Hi everyone, just wondering if any of you people is experiencing period fluctuation whilst on Mavenclad. I finished my first year course on November 2021 and since then my period has been off - very irregular and sometimes extremely painful to the point I have to lay in bed. I'm interested to know if any of you had similar experiences to share. This potential adverse effect is (to my knowledge) not reported on the package leaflet, but since cladribine affects cellular replication, I was wondering if it had some effects also in a fast replicating tissue like the endometrium. Not sure about it, but I'd be happy to discuss. Thanks a bunch!

I’ve had my period for going on 3 weeks now after starting Mavenclad. That seems weird.