Table 2.

Changes in Weight and Body Mass Index Category from Pre-Conception to Two First Trimester Timepoints

	All (n = 43)	Normal Weight (n = 22)	Overweight/Obese (n = 21)	p-value
Pre-Conception to 4–10 Week Visit Interval
Mean (SD) Weight Gain, kg	0.74 (1.95)	−0.09 (1.67)	1.61 (2.21)	0.01
Range of Weight Change, kg	−5.05 to 4.85	−5.05 to 3.80	−0.90 to 4.85
Women Remaining in Their Preconception Body Mass Index Category, n (%)	41 (95%)	21 (95%)	20 (95%)
Pre-Conception to 12 Week Visit Interval
Mean (SD) Weight Gain, kg	1.02 (2.46)	0.53 (2.29)	1.54 (2.58)	0.26
Range of Weight Change, kg	−5.40 to 5.50	−5.40 to 5.40	−3.80 to 5.50
Women Remaining in Their Preconception Body Mass Index Category, n (%)	39 (91%)	20 (91%)	19 (90%)