In the simplest of terms, a drug's volume of distribution is that volume of bodily fluid into which a drug dose is dissolved. Therefore, if we know the dose that was given, and we can measure the serum level (concentration), then we can calculate a volume: Volume of distribution = Dose / drug concentration.
As soon as you can make the reservation, do it, but the general consensus is at least three to six months in advance of the date. By three months out, couples have a good idea how many guests will be attending and they can plan a menu that doesnât conflict with their wedding day.
I just spoke to my hairdresser this week, and she recommended the hair trial be around 3 - 4 weeks before the wedding date so that she would be less likely to forget details of what she did (I want a low updo). I have also worked out a schedule for my highlights--she said a week before the wedding is optimal. I haven't figured out a makeup artist yet (there's one not too far from the hair salon that my photographer recommended), but I may not have the requisite number of girls who want makeup done.