How far along: 16 weeks (technically, 16 weeks and 3 days) How big is the baby: About the size of an avocado or grapefruit (not half a grapefruit as I pictured above – just a little creative interpretation on my part). My husband is shocked that the baby is already so big.Total weight gain: Two weeks ago, I was up a pound and a half since my 12 week appointment (at 12 weeks, I’d gained 4 lbs). I’ve gained another half pound for a total of 6 lbs gained.Sleep: Pretty good – earlier this week, I even slept through the night without getting up to use the bathroom. That...