@Kendodd
I remember going to see two doctors at the age of 27 and married, asking to be sterilized so I couldn't become pregnant. Both absolutely point blank refused to even consider it at my age. No discussion, nothing.
And actually, they turned out to be right, I did charge my mind.
A friend likewise requested sterilisation. Her GP insisted that she had to wait 5 years to see if she changed her mind. She didn't, she had the sterilisation.
She, too, changed her mind. Fair play to her, given the age of her and her spouse and that they couldn't afford the time to go on NHS waiting lists, they paid privately for their (successful) IVF.
I'm split on this. I do think a number of adults are denied services but we have no idea how many are like you and my friend in this because we don't have data. (tbh, it's such a sensitive area, I've no idea how many people would be OK about being asked if they changed their mind etc.)