Mother Nature at her best
. Not. You got to 12 months without a bleed, then she butts in.
Depending on your age, mayB check with your GP if you need a womb scan to see the measurement of the lining. It may be simply that your own hormones have kicked back in, now you need to begin counting to the magic 12 months again.
Stress can cause hormonal upheaval as can the after effects of the C-19 vaccination.
Difficult that your Mum needs to go into Care, that will mean that you become a daughter again, rather than a carer. A nursing home is the best option even if it costs more, because there will be 24/7 qualified nurses on hand. Apparently the CQC class both 'care' homes and 'nursing' homes under the same banner
so do make sure that the place that you choose is fully 'nursing'.
Let us know how you get on.