Neonatal Percentages

Question 1

What % of neonatal pH values are > 7.00 when FHT’s show late/variable decels but moderate variability?

Answer 1

97%

Question 2

What % decrease do ANCS lower the risk/severity of RDS, ICH, and death?

Answer 2

RDS: 35%
ICH: 45%
Death: 30%

Question 3

What % of newborns have brachial plexus injury s/p SD?

Answer 3

10-20%

Question 4

What % of brachial plexus injuries occur s/p uncomplicated SVD’s?

Answer 4

> 50%

Question 5

What % of newborns experience HIE s/p SD?

Answer 5

0.3%

Question 6

What % of newborns experience asphyxia/death s/p SD?

Answer 6

0.35%

Question 7

What % of live newborns weigh >/=
4,000g?
4,500g?
5,000g?

Answer 7

4,000g: 8.0%
4,500g: 1.0%
5,000g: 0.1%

Question 8

Of infants weight >/= 4,000g, what % are assc w/ GDM alone and what % are assc w/ GDM + obesity?

Answer 8

GDM: 13%
GDM + obesity: 22%

Question 9

What is the % risk for LGA neonates in mothers w/
GDMA1?
GDMA2?
Pre DM?

Answer 9

GDMA1/2: 30%
Pre DM: 40%

Question 10

What % risk is assc w/ ICH and neurologic sequelae s/p operative vaginal delivery?

Answer 10

ICH: 0.15%
Neurologic sequelae: 0.45%

Question 11

What % risk is assc w/ vertical transmission of HSV w/o therapy in primary, non-primary, and recurrent infxn’s during SVD?

Answer 11

Primary: 40%
Non-primary first outbreak: 25-30%
Recurrent: 1-3%

Question 12

What % of newborns will get GBS early onset dz from GBS+ mothers w/o abx?

Answer 12

1-2%

Question 13

What are the mortality rates for term and preterm infants who acquire GBS early onset dz?

Answer 13

Term: 2%
Preterm: 20%

Question 14

What % risk (based on dz state) is assc w/ vertical transmission of primary/secondary, early latent, and late latent untx’d syphilis?

Answer 14

Primary/Secondary: 50%
Early latent: 40%
Late latent: 10%

Question 15

What % risk (based on RPR) is assc w/ vertical transmission of syphilis?

Answer 15

RPR >/= 1:8 = 26%
RPR < 1:8 = 4%

Question 16

What % risk is assc w/ vertical transmission of HIV for…
VL < 50?
VL 50-1,000?
VL > 1,000 or CD?
VL > 1,000 + intrapartum Zidovudine?
VL > 1,000 + breastfeeding?

Answer 16

VL < 50: < 1%
VL 50-1,000: 1-2%
VL > 1,000 or CD: 25%
VL > 1,000 + intrapartum Zidovudine: 8%
VL > 1,000 + breastfeeding: 30-40%

Question 17

What is the % rate of meconium presence during delivery?

Answer 17

12-22%

Question 18

What is the risk of having a fetus w/ a neural tube defect when there is one affected sibling?

Answer 18

3%