But nickel, sweetie, the gestation period is adjusted to take account of those "spare" days prior to actual conception - so you're still just as over however you look at it.
I was also contracting ever so slightly by the time I went in for my induction but had no clue - hadn't felt anything. I tend to agree that it is worth it just to get everything checked.
A friend of mine had her baby a couple of weeks ago - 3 days overdue, no big deal - started natural labour, went into the hospital, left in a waiting room for 45 mins, MW came to see her, didn't seem too fussed, made the cardinal error of NOT putting the monitor on her - left her for another half hour. Came back, put the monitor on - foetal heart rate only 70. Bang on the red button, onto a trolley, straight down to theatre - she was given her premed on the move, clothes removed while being wheeled along, signing the papers as she went - nothing apparently wrong but major foetal distress was occurring. Luckily, one crash section under GA later, she and baby were fine (well, he had to go to NICU - same as SCBU - for a couple of nights) but it could have been a Very Different Story.
We're not being mean, we're not trying to put the wind up you - just pointing out that things are usually suggested For A Good Reason. So if you go in and everything's fine, that's great! Hurrah! but there's always that chance that things might not be fine and this way they'll get picked up before anything goes wrong. :)
Feel bad now in case you're upset - but just want you to be utterly aware of the potential issues.