Happy birthday @Twinkley! Are you on progesterone support? Some of the side effects can include fatigue, so don't be alarmed when you find yourself too tired to do much. Best thing is to take it easy and grab as many naps as you can.
@ScubaGal: for you, now that you're PUPO and welcome to the TWW.
My HCG BT came in yesterday: 9546...... so it's doubling nicely at 2.05 days (thank goodness for online calculators). The nurses said I don't need to do another BT on Thursday unless I want to, but I have to go in for another intralipids infusion tomorrow morning. Then it'll be our first scan on 4 Sept.