I have tried various contraceptives because of their extreme effects: nausea, dizziness, scary-violent mood swings and depression have abounded. I did wonder if the fact I'd been sick so much would affect my teeth but the dentist said nothing of the sort...

The only cramps I get tend to be premenstrual, though they can also be agonising. Naturally I get about one period a year, which is why I was on the pill in the first place, but stuffing my body full of artificial hormones doesn't exactly agree with it!

I did have an upset stomach recently - put it down to an egg mayo sandwich. Two days later I woke up with my funny-feeling teeth despite no inflammation, no swelling, gum problems, infection or cavities my dentist could spot. I know I might be paranoid but I like having my teeth...