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© 2008 Delmar Cengage Learning. Chapter 8 Obstetric Related Rate.

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Presentation on theme: "© 2008 Delmar Cengage Learning. Chapter 8 Obstetric Related Rate."— Presentation transcript:

1 © 2008 Delmar Cengage Learning. Chapter 8 Obstetric Related Rate

2 © 2008 Delmar Cengage Learning. 2 Pregnancy Terms Delivery –Act of giving birth to a live or dead fetus, including the placenta, single or multiple infants Not delivered –Admitted and discharged without giving birth

3 © 2008 Delmar Cengage Learning. 3 Pregnancy Terms Partum –Childbirth Antepartum –Period before giving birth –Postpartum: Period after giving birth

4 © 2008 Delmar Cengage Learning. 4 Pregnancy Terms Termination –Expulsion or extraction of a dead fetus –Products of conception –Birth of liveborn or stillborn infant Induced termination –Interruption of pregnancy

5 © 2008 Delmar Cengage Learning. 5 Maternal Terms Maternal/obstetrical death –Death of mother while pregnant or within 42 days of termination of pregnancy Direct maternal death –Related to pregnancy or delivery Indirect maternal death –Not related to pregnancy or delivery

6 © 2008 Delmar Cengage Learning. 6 Cesarean Section Terms Cesarean section rate –Deliveries performed by C-Section compared to vaginal deliveries Vaginal birth after cesarean section (VBAC) rate –Vaginal delivery with previous delivery via c- section

7 © 2008 Delmar Cengage Learning. 7 Cesarean Section Formulas VBAC –Total vaginal deliveries in those with previous C-section –Divided by total number of previously delivered via C-section

8 © 2008 Delmar Cengage Learning. 8 Cesarean Section Formulas C-Section –Total number of C-sections performed for the period –Divided by total number of deliveries for the period

9 © 2008 Delmar Cengage Learning. 9 Newborn/Fetal Terms Newborn–show signs of life at birth –Born in the hospital –Included in newborn/bassinet statistics

10 © 2008 Delmar Cengage Learning. 10 Newborn/Fetal Terms Fetal death (abortion, aborted fetus, stillborn)–no signs of life at birth –Not included in newborn/bassinet statistics –Statistically compiled separate

11 © 2008 Delmar Cengage Learning. 11 Newborn/Fetus Terms Neonate –Liveborn up to 28 days of age Infant –Liveborn up to one year of age

12 © 2008 Delmar Cengage Learning. 12 Newborn/Fetus Terms Perinatal –Period surrounding birth for both liveborn, stillborn, and neonates Postnatal –Period from 28 days of age to 1 year of age

13 © 2008 Delmar Cengage Learning. 13 Newborn/Fetus Terms Hospital fetal death –No signs of life prior to complete expulsion/extraction –Not considered a hospital inpatient –Does not have a medical record –Not included in newborn statistics

14 © 2008 Delmar Cengage Learning. 14 Fetus Death Terms ACOG and ICD-9-CM classifications –Early 500 grams or less, before 22 weeks gestation –Intermediate 501 – 1000 grams –Late 1001 grams or more, after 22 weeks gestation

15 © 2008 Delmar Cengage Learning. 15 OB Mortality Rate Ratio of deaths due to pregnancy during a specified period to the number of OB discharges Rate is low –Computed to three decimal places

16 © 2008 Delmar Cengage Learning. 16 OB Mortality Rate Formula: –Total direct OB deaths for the period  100 divided by total OB discharges for the period (including deaths)

17 © 2008 Delmar Cengage Learning. 17 Newborn Death Rate Formula–NB death rate: –Numerator Total number of NB deaths for the period  100 –Denominator Total number of NB discharges for the period (including deaths)

18 © 2008 Delmar Cengage Learning. 18 Infant Death Rate Formula: Infant death rate (up to one year): –Numerator Total number of Infant deaths for the period  100 –Denominator Total number of Infant discharges for the period (including deaths)

19 © 2008 Delmar Cengage Learning. 19 Neonatal Death Rate Formula: Neonate death rate (up to 28 days of age): –Numerator Total number of neonatal deaths for the period  100 –Denominator Total number of neonatal discharges for the period (including deaths)

20 © 2008 Delmar Cengage Learning. 20 Fetal Death Rate Includes intermediate and late fetal deaths Exclude fetus –Less than 20 weeks gestation –500 grams or less

21 © 2008 Delmar Cengage Learning. 21 Fetal Death Rate Formula: Fetal Death Rate –Numerator Total number of intermediate and late fetal deaths for the period  100 –Denominator Total number of births for the period –Including live births intermediate and late fetal deaths


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