In 2009, during my first year of loss, I apparently hit a rough patch and just stopped weighing after July. But I picked it up again the next year and had pretty continuous weigh ins each week.
During my pregnancy with Ben in 2010-2011, I didn't track my weight very often. My scale had stopped working, so was only able to weigh at my doctors office, which explains the sporadic weigh ins that year.

2009 Weigh Ins - 270lbs to 231lbs
2010 Weigh Ins - 224lbs to 177lbs
2011 Weigh Ins - 175lbs to 181lbs
2012 Weigh Ins - 175lbs to 179lbs
January 2013
01/01 - 179.8 (16 weeks pregnant)
February 2013
02/27 -195.6 (24 weeks pregnant)
March 2013
03/06 - 195.2 (25 weeks pregnant)
April 2013
04/01 - 203.6 (29 weeks pregnant)
04/08 - 201.4 (30 weeks pregnant)