From somewhere deep in my memory, I seem to remember having a conversation years ago about there being something about the combined pill that increases the risk of blood clots – which if you already have/are at high risk of heart/circulation issues might mean it’s not suitable for you.
I think it’s like everything – the safe opinion is to say it’s not suitable for diabetics. The more informed approach would be to look at the individual because we diabetics are a fascinatingly ;