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Morbidity Births delivered by cesarean section to all females with no prior cesarean birth
Births delivered by cesarean section to low-risk females (full-term, singleton, vertex presentation) with no prior cesarean birth. A low-risk female is defined as one with a full-term (at least 37 weeks since LMP) singleton (not a multiple pregnancy), with a vertex fetus (head facing in a downward position in the birth canal).
Births delivered by cesarean section to all females with a prior cesarean birth
Births delivered by cesarean section to low-risk females (full-term, singleton, vertex presentation) with a prior cesarean birth. A low-risk female is defined as one with a full-term (at least 37 weeks since LMP) singleton (not a multiple pregnancy), with a vertex fetus (head facing in a downward position in the birth canal).
Live births with birth weight of 2,500 grams (5 lbs, 8oz) or more
Live births with birth weight of less than 2,500 grams (5 lbs, 8oz)
Live births with birth weight of 1,500- 2,499 grams (3 lbs, 4oz to 5 lbs, 8oz)
Live births with birth weight of less than 1,500 grams (3 lbs, 4oz)
Live births with at least 37 completed weeks of gestation
Pregnant females receiving adequate prenatal care by the Adequacy of Prenatal Care Utilization Index (APNCU). The APNCU is a measure of prenatal care utilization that combines the month of pregnancy prenatal care begun with the number of prenatal visits. Rates can be classified as “intensive use,” “adequate,” “intermediate,” or “less than adequate.” For this measure, adequate prenatal care is defined as a score of either “adequate” or “intensive use.”
Females receiving prenatal care in the first trimester (three months) of pregnancy
Live births at less than 32 weeks of gestation
Live births before 37 completed weeks of gestation
Pregnancy Health and Behaviors Live births at 34 to 36 weeks of gestation
Live births at 32 to 33 weeks of gestation