Maternity Screening Flashcards Preview

Jason's MD3 Women's > Maternity Screening > Flashcards

Flashcards in Maternity Screening Deck (10):
1

When does neuro tube close?

Around 26 days - 6 weeks

2

Screening tools for fetal anomaly

Maternal age
Blood tests
U/S

3

Prevalence of trisomy 21

around 1:500

4

Chance of having a baby with a congenital anomaly

4%

5

4 things to test for 2nd trimester tests, when take?

Inhibin-A
alpha fetal protein (used to be for NTDs)
BHcG
Estriol
Maternal age
Between 15-20 weeks

6

Maternal age cut off for Down syndrome?

37

7

Offering test to someone who wants to know trisomy 21 but won't terminate if found out?

Risk of miscarriage due to invasive testing

8

1st trimester screening for T21?

Unchallenged translucency at 11-14 weeks
PAPP-A
Free BhCG
Plus maternal age

9

Amniocentesis, fetal cells come from?

Skin, gut, urinary tract. May not pick up mosaicism in the gonads for example.

10

Current Victorian Legislation on Abortion?

Can abort prior to 24 weeks
If more than 24 weeks:
-practitioner thinking is appropriate
-consults with another doctor
-abortion is appropriate for circumstances:
-medical circumstances
-woman's current, future physical, psych, social circumstances