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Health Counts in Wisconsin
Infant Health 1996

Wisconsin residents had 67,150 live births in 1996. Almost all births (99 percent) occurred in hospitals. The number of home births was 741. M.D. physicians attended 92 percent of all resident births, D.O. physicians 3 percent, and certified nurse midwives 4 percent. The information presented below is drawn from the Wisconsin Resident Birth and Death Statistical Files maintained by the Center for Health Statistics.

GENERAL INFORMATION

1996

1990

1986

  • Total live births

67,150

72,636

72,229

  • Crude birth rate (births per 1,000 population)

13.0

14.8

15.1

  • Births by mother’s age
< 20

7,106

7,410

7,140

20-24

14,345

17,477

20,342

25-29

20,308

24,956

25,718

30-34

17,274

16,626

14,374

35-39

6,939

5,393

4,121

40 +

1,175

768

534

  • Birth rates by mother’s age (births per 1,000 females in age group)
< 20

37.6

43.3

37.8

20-24

87.5

96.2

103.3

25-29

115.2

123.7

120.2

30-34

86.7

78.6

70.5

35-39

31.7

27.9

23.0

40 +

5.7

4.6

3.6

  • Percent of births by delivery type
Vaginal delivery

81%

80%

79%

Vaginal birth after cesarean 3% 3% na  
Cesarean section

16%

18%

18%

RACE/ETHNICITY

(Based on race/ethnicity of mother)

1996

1990

1986

  • Percent of all births
White

82%

84%

88%

Black

10%

10%

8%

American Indian

1%

1%

1%

Lao/Hmong

2%

*   

*   

Hispanic

5%

3%

2%

BIRTHS TO TEENAGERS

(Ages 15-19)

1996

1990

1986

  • Number of births

6,963

7,262

7,019

  • Percent of all births

10%

10%

10%

NON-MARITAL BIRTHS

1996

1990

1986

  • Number of births

18,530

17,615

14,166

  • Percent of all births

28%

24%

20%

  • Percent of births that were non-marital among:
White

20%

17%

14%

Black

83%

81%

76%

American Indian

64%

65%

59%

Laotian/Hmong

12%

*  

*  

Hispanic

46%

42%

41%

  • Percent of births that were non-marital among mothers <20

 

84%

 

80%

 

71%

LOW BIRTHWEIGHT

(Less than 2,500 grams or 5.5 pounds)

  • Percent of low birthweight births among:

1996

1990

1986

All births

6.3%

5.9%

5.4%

White

5.5%

4.9%

4.7%

Black

12.8%

14.3%

12.3%

American Indian

5.2%

5.4%

4.9%

Laotian/Hmong

7.6%

*  

*   

Hispanic

6.5%

6.7%

5.8%

Mothers < 20

8.3%

9.3%

8.0%

PRENATAL CARE

  • Percent of births in which prenatal care started in the first trimester of pregnancy among:
1996 1990 1986
All births 84% 82% 83%
White 88% 86% 86%
Black 66% 59% 62%
American Indian 68% 64% 56%
Laotian/Hmong 47% *    *   
Hispanic 69% 66% 64%
Low Birthweight 80% 74% 77%
Mothers < 20 67% 59% 59%

*  There are no comparable 1986 or 1990 data for the Laotian/Hmong group.

INFANT MORTALITY

(Deaths per 1,000 live births)

1996

1990

1986

  • Overall infant mortality rate

7.3

8.4

9.3

White

5.9

7.2

8.4

Black

18.3

19.7

18.0

  • Infant mortality rate among births with:
Low birthweight

70.1

74.5

97.8

Late or no prenatal care

15.0

21.4

20.9

Mothers < 20

11.1

14.6

14.3

Maternal smoking

11.1

13.2

na

ADDITIONAL INFORMATION

Resident data. Data in these tables include Wisconsin resident births and infant deaths, regardless of the state of occurrence.

Sources. Live birth data are from birth certificate statistical files. Infant death data are from a file of the year’s resident infant deaths (death certificate data) with birth certificate information matched.

Race/Ethnicity. Live births and infant deaths are classified by race or Hispanic ethnicity of mother, which are birth certificate items. The race/ethnicity categories are mutually exclusive; thus Hispanics are not included in any other race/ethnic group. Part of the increase in the number of Hispanic births from 1986 to 1990 was due to a birth certificate reporting format change implemented in 1989.

Delivery type. Information on vaginal birth after cesarean was first collected in 1989.

Birth rates for age groups. The < 20 birth rate is based on the 15-19 population. The 40+ birth rate is based on the 40-44 population.

Infant mortality. The infant mortality rate is the number of infant deaths per thousand live births. An infant death is a death occurring to a live-born individual less than one year of age.

Late or no prenatal care. This is defined as prenatal care started in the third trimester of pregnancy, or no prenatal care.

Last Revised: March 01, 2013