CDC's Pediatric and Pregnancy Nutrition Surveillance System

Table 13D
2007 Pregnancy Nutrition Surveillance ⁽¹⁾
Nation
Maternal Weight Gain and Birth Outcomes by Select Health Indicators

Maternal Weight Gain and Birth Outcomes by Select Health Indicators ⁽²⁾
Weight Gain ⁽³⁾
Prepregnancy BMI	Number Included in Analysis	< Ideal %	> Ideal %
Underweight	99,416	31.7	26.9
Normal Weight	414,202	26.8	38.9
Overweight	140,380	14.0	58.9
Obese	267,730	25.4	46.4

Birthweight
Prepregnancy BMI	Number Included in Analysis	Low ⁽⁴⁾ %	High ⁽⁵⁾ %
Underweight	105,165	11.6	2.8
Normal Weight	436,303	8.0	5.4
Overweight	148,629	7.1	7.6
Obese	286,651	7.5	9.7

Preterm ⁽⁶⁾
Prepregnancy BMI	Number Included in Analysis	%
Underweight	97,512	13.2
Normal Weight	406,431	11.3
Overweight	138,977	11.3
Obese	266,701	12.4

Full Term LBW ⁽⁷⁾
Prepregnancy BMI	Number Included in Analysis	%
Underweight	86,916	6.0
Normal Weight	368,201	3.7
Overweight	125,452	3.0
Obese	239,736	3.1

Maternal Weight Gain and Birth Outcomes by Select Health Indicators ⁽²⁾
Weight Gain ⁽³⁾
Weight Gain	Number Included in Analysis	< Ideal %	> Ideal %
< Ideal	*	*	*
Ideal	*	*	*
> Ideal	*	*	*

Birthweight
Weight Gain	Number Included in Analysis	Low ⁽⁴⁾ %	High ⁽⁵⁾ %
< Ideal	218,109	12.6	3.7
Ideal	282,384	7.6	5.2
> Ideal	374,696	5.5	9.8

Preterm ⁽⁶⁾
Weight Gain	Number Included in Analysis	%
< Ideal	201,154	15.6
Ideal	264,015	11.3
> Ideal	348,701	9.5

Full Term LBW ⁽⁷⁾
Weight Gain	Number Included in Analysis	%
< Ideal	177,106	5.8
Ideal	238,427	3.5
> Ideal	323,305	2.4

Maternal Weight Gain and Birth Outcomes by Select Health Indicators ⁽²⁾
Weight Gain ⁽³⁾
Smoking During Pregnancy	Number Included in Analysis	< Ideal %	> Ideal %
Smokers	107,817	24.8	45.3
Non-Smokers	609,754	24.8	42.5

Birthweight
Smoking During Pregnancy	Number Included in Analysis	Low ⁽⁴⁾ %	High ⁽⁵⁾ %
Smokers	111,673	10.7	4.3
Non-Smokers	653,107	7.0	7.4

Preterm ⁽⁶⁾
Smoking During Pregnancy	Number Included in Analysis	%
Smokers	104,931	12.4
Non-Smokers	636,340	11.6

Full Term LBW ⁽⁷⁾
Smoking During Pregnancy	Number Included in Analysis	%
Smokers	97,946	5.7
Non-Smokers	576,349	3.0
(1) Reporting period is January 1 through December 31. (2) Excludes records with unknown data or errors. (3) Based on 1990 IOM report, "Nutrition During Pregnancy": underweight prepregnancy (ideal weight gain = 28 to 40 lbs), normal weight prepregnancy (ideal weight gain = 25 to 35 lbs), overweight prepregnancy (ideal weight gain = 15 to 25 lbs), obese prepregnancy (ideal weight gain = 15 to 25 lbs). (4) <2500 g. (5) >4000 g. (6) <37 weeks gestation. (7) 37 or more weeks gestation and <2500 g. * Percentages are not calculated if <100 records are available for analysis after exclusions.