It's most likely 2B your hormones, not anything you have eaten. I saw a field of white flax growing this morning and have lots of blue across our plot, it won't grow where I seed it though
[I also have a book about how flax was grown at Sandringham ;-) ].
I tried it years ago but couldn't crush it no how, ended up putting it out for the birds and buying a bread that had flax and pumpkin seeds in it, it didn't keep long though B4 going mouldy but was very tasty.
My periods were intermittent for several years B4 they disappeared
I would have gaps for several months then 2/3 light bleeds and another gap ........