Table 2D
2007 Pregnancy Nutrition Surveillance (1)
Nation
Summary of Health Indicators


Summary of Health Indicators (2)
National Prevalence

Number Included
in Analysis

Prevalence
%

Prepregnancy BMI (3)
Underweight 1,175,574

10.9

Normal Weight 1,175,574

44.6

Overweight 1,175,574

15.1

Obese 1,175,574

29.4

 
Maternal Weight Gain (4)
Less Than Ideal 922,658

25.0

Ideal 922,658

32.2

Greater Than Ideal 922,658

42.8

 
Anemia (Low Hb/Hct) (5)
1st Trimester 377,717

7.1

2nd Trimester 343,815

11.5

3rd Trimester 180,176

33.5

Postpartum 414,735

29.8

 
Parity (6)
0 966,532

45.6

1 966,532

25.9

2 966,532

15.3

Greater Than or Equal To 3 966,532

13.2

 
Interpregnancy Interval
Less Than 6 Months 606,104

13.0

6 To Less Than 18 Months 606,104

26.8

Greater Than or Equal To 18 Months 606,104

60.3

 
Gestational Diabetes 230,547

3.9

 
Hypertension During Pregnancy 280,574

4.3

(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 (BMI < 19.8), normal weight (BMI 19.9 to 26.0), overweight (BMI >26.0 to 29.0), obese (BMI >29.0).
(4) 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).
(5) Based on 1990 CDC MMWR, "Recommendations to Prevent and Control Iron Deficiency in the United States"; adjusted for altitude and smoking.
(6) Number of times a woman has given birth to an infant 20 or more weeks gestation.
* Percentages are not calculated if <100 records are available for analysis after exclusions.

Table 2D
Pregnancy Nutrition Surveillance (1)
Nation
Summary of Health Indicators


Summary of Health Indicators (2)
National Prevalence

Number Included
in Analysis

Prevalence
%

Medical Care
1st Trimester 612,462

79.4

No Care 612,462

4.7

 
WIC Enrollment
1st Trimester 1,034,046

31.3

2nd Trimester 1,034,046

35.1

3rd Trimester 1,034,046

18.2

Postpartum (3) 1,034,046

15.4

 
Prepregnancy Mutivitamin Consumption (4) 98,170

15.7

Multivitamin Consumption During Pregnancy (5) 238,509

75.9

 
Smoking
3 Months Prior to Pregnancy 895,227

26.6

During Pregnancy 826,305

15.8

Last 3 Months of Pregnancy 716,629

15.8

Postpartum 688,071

18.2

 
Smoking Changes (6)
Quit Smoking by First Prenatal Visit 208,650

42.0

Quit Smoking by First Prenatal Visit
and Stayed Off Cigarettes
161,864

35.1

 
Smoking in Household
During Pregnancy 572,120

20.9

Postpartum 486,636

22.6

 
Drinking
3 Months Prior to Pregnancy 998,472

7.1

Last 3 Months of Pregnancy 758,070

0.4

(1) Reporting period is January 1 through December 31.
(2) Excludes records with unknown data or errors.
(3) Women who initially enrolled in WIC during the postpartum period.
(4) Women who reported taking a multivitamin four times a week or more in the month before pregnancy; proxy for folic acid consumption.
(5) Pregnant women who reported taking a multivitamin in the past month; proxy for prenatal iron consumption.
(6) Among women who smoked 3 months prior to pregnancy.
* Percentages are not calculated if <100 records are available for analysis after exclusions.

Table 2D
Pregnancy Nutrition Surveillance (1)
Nation
Summary of Health Indicators


Summary of Health Indicators (2)
National Prevalence

Number Included
in Analysis

Prevalence
%

Birthweight (3)
Very Low 1,039,036

1.1

Low 1,039,036

7.1

Normal 1,039,036

85.1

High 1,039,036

6.7

 
Preterm (4) 947,705

11.9

Full Term Low Birth Weight (5) 856,467

3.7

Multiple Births 1,026,255

1.5

 
Breastfeeding
Ever Breastfed 936,194

64.6

(1) Reporting period is January 1 through December 31.
(2) Excludes records with unknown data or errors.
(3) Very low birth weight (<1500 g), low birth weight (1500 - <2500 g), normal birth weight (2500 - <4000 g), high birth weight (>4000 g).
(4) <37 weeks gestation.
(5) 37 or more weeks gestation and <2500 g.