I found this online, which makes a lot of sense to me:
www.guardian.co.uk/society/2007/may/29/health.medicineandhealth
Interesting about listeriosis as well in the article. Of course now we have all been scared into avoiding certain foods for so long, who would dare go against the 'advice?'
Seems to me that the government don't actually know the real risks, and the people who don't know shouldn't be giving advice.
FWIW, I didn't know I was pregnant til I was around 12 weeks, by which point I'd drank, smoked, eaten all the stuff you're not supposed to, and been to Paris for a weekend where I'd done that to the power of ten! Everything is absolutely fine, and I'm about 31 weeks now.
Also, a friend totally followed the guidelines, to the point of freaking out one day when she accidentally had a BITE of parma ham (and then made herself throw up afterwards!) and she was the one who had a premature baby and terrible PND.
I'm not saying that anyone should be boozing hugely when pregnant, but we shouldn't be scaremongered.
Congratulations, don't worry, and enjoy the rest of your pregnancy!