54. Obstetric statistics Flashcards

1
Q

What are the maternal statistics

A

Birth rate

Fertility rate

Maternal mortality ratios

  • indirect death rate
  • direct death rate
  • nonmaternal death rate
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2
Q

What are the infant statistics

A

Neonatal mortality rate

Perinatal mortality rate

Infant mortality rate

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3
Q

Survival rates at different gestational weeks for preterm infants

A

21 weeks or less - 0%

24 weeks 40-70%

27 weeks 90%

30 weeks 95%

34 weeks >98%

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4
Q

Define preterm and postterm infants

A

preterm - under 37 weeks

postterm over 42 weeks.

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5
Q

Stillbirth

A

delivery of a infant with no breathing, heartbeat, cord pulsation, or movement.

after 20th week or weight above 350g, otherwise its a spontaneous abortion.

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6
Q

Birth rate

A

Birth rate: number of births/1.000 population, men are included in the population calculation

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7
Q

Fertility rate

A

number of live births/1.000 women aged 15-44 years

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8
Q

Indirect maternal death rate

A

represents underlying medical conditions

aggravated, but not caused by, pregnancy

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9
Q

Direct maternal death rate

A

only the deaths occurring as complications of pregnancy, delivery or the puerperium are considered

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10
Q

Nonmaternal death rate

A

only deaths of pregnant or postpartum women that were neither caused nor aggravated by the pregnancy are considered (e.g. deaths secondary to motor vehicle accidents or homicides), per 1000 live births

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11
Q

Neonatal mortality rate:

A

infant deaths between 0-28 days of life/1.000 live births

o Early = first 7 days, late = 8-28 days

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12
Q

Perinatal mortality rate:

A

number of fetal deaths + number of neonatal deaths/1.000 total births

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13
Q

Infant mortality rate

A

number of infants who die prior to their first birthday/1.000 live births

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