hi this is my first time on here i was diagnosed with breast cancer 2009 has mastectomy 2010 then started on tamoxifen i was haveing regular periods every month but this month my period hasnt arrived i am now 19 days late,ive done pregnancyt test which was negitive has anybody else had this happen just bit worried as for last 11mth been regular,
Hi. My oncologist said that normally tamoxifen stops your periods within 12mths. Hasnt happened with mine (!) but she seemed to think that most peoples stop or become more irregular.
Maybe call you BCN and see what she thinks?