High Risk OB

what is the #1 cause of high risk

advanced maternal age

35 years old

what is the number 1 reason for fetal stress

fetal hypoxia

what does biophysical profile evaluate

fetal well being

what’s the time limit on BPP

30 mins

What must you get for a BPP

fetal HR

Gross body movements

Fetal tone

Breathing

AFI

what resistance should the umbilical artery be

low 

fetal hypoxia can be indicated by what

increase in pulsatility of the IVC

what happens during fetal hypoxia

fetus redistributes blood flow from body to more critical organs

what is the process of fetus redistributing blood flow

brain sparing

in a middle cerebral artery Doppler where is the gate places

near the arterial origin 

what is normal MCA waveform

high resistant with constant forward flow

up to 15 weeks the umbilical venous flow should show

pulsation

how to measure cervix

set calipers at internal os and external os

what does an amniocentesis determine

L/S ratio

AFP

what is a early 1st trimester genetic test

chorionic villus sampling

what is the most common indication for sampling of fetal blood

abnormal findings on amnio

what is dizygotic

two separate ova

Two separate sperm

Separate amnions

Separate placenta

what is monozygotic

occurs after fertilitzation

They share

dichorionic diamnitoic

zygote divides prior to day 4

separate

monochorionic diamniotic

zygote divides between days 4-8

Most common type of monozygotic twinning

what type of twining has 1 placenta but 2 sacs

monochorionic diamniotic

what is monochorionic monoamniotic

zygote divides after 8 days

After 13 days conjoined