Fetal Demise Flashcards

1
Q

What is the definition of fetal demise/stillbirth?

A

No signs of life:

  • No breathing
  • No Heart beat
  • No cord pulsations
  • No voluntary muscle mvt
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the suggested birth weight & GA requirement?

A

Fetal weight >350g

After 20wks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How is spontaneous abortion classified?

A

Before 20wks gestation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are maternal causes of Fetal Demise?

A
  1. Infxn
  2. Renal Dz
  3. Thyroid disorder
  4. Cholestasis of pregnancy
  5. Hemoglobinopathy
  6. Systemic Lupus erythemotasus
  7. Rh disease
  8. Uterine rupture
  9. Maternal trauma or death
  10. Inherited thrombophlebitis
  11. Antiphospholipid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Other maternal Causes of Fetal Demise

A
  • Race
  • Advanced maternal age (AMA)
  • Multiple gestation
  • Previous pregnancy complications
  • Obesity
  • Smoking, drugs, alcohol
  • Low educational attainment
  • Diabetes
  • HTN-chronic, PIH, preeclampsia, eclampsia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Fetal Causes of fetal Demise

A
  1. Multiple gestation
  2. Intrauterine growth restrictions (IUGR)
  3. Congenital ABNL
  4. Infxn (CMV, Listeria, Syphyilis, Parvovirus)
  5. Hydrops fetalis

Suspected causes include above +
Maternal death & birth injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Placental Causes of fetal demise

A
  1. Cord accident
  2. Placental abruption
  3. Premature rupture of MBs
  4. Placental abruption *
  5. Vasa previa/vela mentors insertion
  6. Fetomaternal hemorrhage
  7. Placental insufficiency
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Maternal risk factors in all countries

A
  • congenital/karyotype anomalies (same)
  • growth restriction & placental ABNLs*
  • Diseases*
    - HTN(same)/preeclampsia , DM, SLE, Renal dz, thyroid disease, cholestasis
  • Infxn*
    - Parvovirus B19, Syphilis, Strep, Listeria
  • Smoking*
  • Multiple gestation*
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Maternal risk factors in Developing countries

A
  • Obstructed/prolonged labor (asphyxia, infxn, birth injury)*
  • Infxns*
    - Syphilis(same)
    - Gram negative infxns
  • Malaria*
  • Sickle Cell*
  • Poor nutrition*
  • congenital anomalies (same)
  • HTN (same)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the definition of Unexplained Stillbirth?

A

Fetal death can’t be explained by identifiable fetal, placental, maternal or obstetric etiology

25-60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Independent risk factors of stillbirth

A
  • maternal prepregnancy wt >68kg (150lbs)
  • Parity of >3 and Primiparity
  • Cord Loops
  • low SES
  • maternal age >40
  • birth weight ratio (SGA & LGA)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Diagnosis of fetal demise

A
  • decreased fetal mvt
  • decreased preg sxs
  • bleeding/contractions
  • inability to obtain fetal heart tones (NOT DIAGNOSTIC)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is required to dx Fetal Demise?

A

Visualization of fetal heart w/ no of cardiac activity

  • Must be confirmed by Ultrasound!
  • 2 examiners
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How do you manage fetal demise in the 2nd trimester?

A

Dilation & evacuation

Cytotec (vaginal misoprostol)

Pitocin (IV)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How do you manage fetal demise in later gestation (3rd trimester)?

A

Labor induction if no dilation & evacuation (D&E) available

C-section fo UNUSUAL circumstances/Emergencies

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How do you manage fetal demise before 28 wks (3rd tirmester)?

What is the potential danger

A

Cytotec (Misoprostol) & Pitcoin IV

Can’t use if she’s had a C-section. May cause Uterine rupture

17
Q

Fetal Demise checklist (chart)

A

Admission & DX

  • confirm dx
  • H&P
Antepartum eval
           -  amniotic fluid 
           - maternal blood
           - cervical/vaginal exam
Delivery/Intrapartum          
- pain control
- choice of PP care (pics, holding baby)

Postpartum

  • Fetal physical exam
  • Placenta

Follow up

  • 1-2wks, PPD screen
  • 6wks
    - review autopsy
    - reinforce preconception visit
    - Protein S/genetics referral
    - screen PPD
18
Q

What’s included in the eval of fetal demise?

A
  • maternal OB, FH history
  • fetal autopsy/karyotype
  • placental eval
  • Indirect Coombs test (ABO compatibility)
  • RPR, parvo testing, CBC/platelets, TSH
  • maternal/fetal hemorrhage (Kleinhauer-Betke)
    - measures how mom & baby’s blood mix (trauma/Rh factor)
  • urine tox screen
19
Q

What eval may be useful?

A

Thrombophlilia eval:

  • Lupus
  • Antiphospholipid A (Anticardiolipin) Abs
  • Factor V Leiden
  • Prothrombin mutation
  • Protein C, S & Antithrombin III deficiency
20
Q

Uncertain utility

A
  • Hgb A1c
  • TORCH titers
  • Placental cultures
  • other thrombophilias
21
Q

Grief cycle

A

Normal Functioning

  1. shock & denial
    - avoidance
    - confusion
    - Fear
    - Numbness
    - blame
  2. Anger
    - frustration
    - Anxiety
    - Imitation
    - embarrassment
    - shame
  3. Depression/Detachment
    - overwhelmed
    - blahs
    - lack of energy
    - helplessness
  4. Dialogue & Bargaining
    - reaching out to others
    - desire to tell the story
    - struggle to find meaning
  5. Acceptance
    - exploring options
    - new plan

Returning to meaningful life

  • empowerment
  • security
  • self-esteem
  • meaning
22
Q

When do most women recover psychologically from fetal demise?

A

About a year

  • should wait to try again within 1-3yrs
  • PTSD if conception soon after
23
Q

What are the risks for subsequent pregnancies?

A

preterm birth, low birth weight, abruption

24
Q

What’s the future mgt of 1st trimester?

A

1st trimester:

  • early dating U/S
  • First combined testing
25
Q

What’s the future mgt of 2nd trimester?

A

U/S @ 18-20wks

Doppler velocimetry

Quad screen or AFP

26
Q

What’s the future mgt of 3rd trimester (after 28wks)?

A

U/S

Kick counts

Dopppler w/ BPP every wk (32-36wks)

27
Q

What’s recommendation does ACOG have regarding future pregnancies after fetal demise?

A

Fetal testing 1-2wks before last stillbirth

28
Q

When should delivery happen?

A

Elective induction @ 39wks or before with documented fetal lung maturity by amniocentesis