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Flashcards in Antepartum 1 Deck (97)
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1

Wt gain if BMI < 19.8

28-40

2

Wt gain if BMI 20-26 normal

25-35

3

Wt gain if BMI 26-29 overweight

15-25

3

second trimester screening primarily detects what abnormalities

trisomy 18, 21 and neural tube defects

4

Wt gain if BMI >29 obese

= 15

5

Who needs complete genetic evaluation?

>35, personal hx, prev hx, family hx, abnormal screening

6

What produces AFP

yolk sac then fetal liver

7

why is AFP elevated in maternal blood 7 reasons

"leaking" from neural tube defect ventral wall defect Oligo renal abnormalities Ectopic inaccurate EGA Malpositioned placenta

8

AFP levels are dependent on what maternal characteristics? 5

Gestational Age Race Maternal Age Weight Diabetes

9

AFP results > 2.5 MOM can indicate?

Neural tube defect omphalocele anencephaly

10

What MOM is used for AFP in diabetic mom?

2.0 MOM

11

Decreased AFP can indicate...

Trisomy 21

12

What are the 4 markers in a Quad Screen?

AFP Uncongugated Estriol hCG DIA (dimetric inhibin A)

13

Quad markers for Trisomy 21

  • AFP down
  • estriol down
  • hCG up

14

Quad markers for Trisomy 18

  • hCG down
  • estriol down
  • AFP down

15

Preferred method of estimated gest age for AFP

BPD by sono

16

Gest age for AFP/Quad screen

15-20 weeks

17

#1 Reason for abnormal multiple marker screen?

error in EGA

18

Clinical follow up to an abnormal AFP/Quad screen?

Ultrasound Possible Amnio if US technology poor

19

Gest age for amnio?

15-16 weeks

20

Presence of what in amniotic fluid indicates a minimal risk of RDS in the newborn?

PG even when L/S is <2

21

Birth rate

The number of live births per 1000 population

22

Birth

The complete expulsion or extraction from the mother of a fetus after 20 weeks gestation or weighing 500gms or more.

23

Fertility rate

the number of live births per 1000 females aged 15-44

24

Live birth

the term used to record a birth whenever the newborn at or sometime after birth breathes spontaneously or shows any other sign of life such as a heartbeat or definite spontaneous movements of voluntary muscles

25

Stillbirth (fetal death)

the absence of signs of life at or after birth

26

Neonatal death

Early – death of a liveborn neonate during the first 7 days after birth Late – death after 7 days but before 29days

27

Infant death

All deaths of liveborn infants from birth to 12 months

28

Abortus/Abortion

A fetus or embryo removed or expelled from the uterus during the first half of gestation – 20 weeks or less / less than 500gms

29

Maternal mortality ratio

The number of maternal deaths that result from the reproductive process, per 100,000 live births. (known also as maternal mortality rate or maternal death rate)