Whether you have ovarian suppression is usually a decision made on the basis of how high risk your breast cancer was of returning. Presently, it looks like you were probably not that high risk, otherwise they would have already had you on it by now. Not everyone who is premenopausal has suppression, so one doesn’t necessarily follow the other. So having periods return isnt necessarily a reason to start having them surpressed. However, discuss this with your BCN for a clearer picture in your case. It is expectetd that people on tamoxifen only will continue to have periods, as its not taken with an aim to prevent them.
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