I've been measuring bang on since my doctor started measuring me. 24cm at 24 weeks. 27cm at 27weeks. 29cm at 29weeks. Went in for my biweekly appointment at 31weeks and was measuring 33cm. Suddenly I am 2cm ahead which means I grew 3cm in 2 weeks! Does this mean my daughter is going to be bigger? She's already in the head down position ... so could it mean I'll have her a week or so earlier?