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Sex Ratio

The sex ratio can be used to monitor the proportion of males to females in states or counties. If the sex ratio is decreasing over time, the implication is that fewer males than females are born for that period of time. Such changes may be the result of environmental hazards that can disrupt the endocrine system or some other biological system related directly or indirectly to the expression of sex at birth.

The measures presented here include only full term singleton births to allow comparisons across different geographies that may have differences in other reproductive and birth outcome indicators.

  • Full term births occurs at 38 weeks or greater gestation.
  • Singleton births exclude twins, triplets, etc.

Measure Description:

  • The Sex Ratio (Male to Female) is the ratio of Male Full Term Singleton Birth Count to Female Full Term Singleton Birth Count.
  • The Male Full Term Singleton Birth Count is the number of male full term singleton live births.
  • The Female Full Term Singleton Birth Count is the number of female full term singleton live births.

Use the tabs to see the different data visualizations.

Measures are defined above the visualization. Additional help can be found in the Help Section.