Limb Reduction Defects
Upper and lower limb reduction defects occur when a part of or the entire arm (upper limb) or leg (lower limb) of a fetus fails to form completely during pregnancy. The defect is referred to as a “limb reduction” because a limb is reduced from its normal size or is missing. Read more about Upper and Lower Limb Reduction Defects.
In order to further refine the data being displayed, some advanced options are available at the state level. Users can filter results by:
- Maternal age group
- Maternal race/ethnicity
The low frequency of individual births defects means that most county level measures are suppressed due to counts of 5 or less.
- The per 10K Live Births is the number of live-born infants diagnosed with the selected birth defect per 10,000 live births during the stated five year period.
Use the tabs to see the different data visualizations.