The Placenta

The Placenta
Presentation by: Anna Mae Smith, MPAS, PA-C

Placenta

* FETAL SIDE
* MATERNAL SIDE
* They provide…
o protection
o nutrition
o respiration
o excretion
o hormone production
* FETAL SIDE
* MATERNAL SIDE
DECIDUA - formed from the endometrium

PLACENTAL ATTACHMENT

* Posterior wall
* Anterior wall
* Fundus
* With consecutive pregnancies the blastocyst attaches lower in the uterus

Placental Transfer
Hormones that cross the placenta
Antibodies
Infections

* CMV
* Rubella
* Coxsackie
* Varicella
* Polio
* Syphilis
* Spirochetes

Congenital Cataracts in rubella
Placental Transfer
DRUGS
Placental Production
Amniotic Fluid
FETAL CIRCULATION
After Birth
FIRST BREATH

Placenta.ppt

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Labor & Delivery

Labor & Delivery
Presentation by: Anna Mae Smith, MPAS, PA-C

Labor
First Stage
Second Stage
Third Stage
EARLY LABOR
GETTING OUT
Pelvis
Five cardinal movements of labor
Engagement
DESCENT
FLEXION
Internal Rotation
Extension
Stage 3 Placenta
Elective LABOR INDUCTION
The requirements for elective induction of labor
Indicated Induction
Medical or obstetric problems
Oxytocin/Pitocin

Labor & Delivery.ppt

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Fetal Monitoring

Fetal Monitoring
Presentation by: John M. Schroeder, PA-C, JD
Lock Haven University of Pennsylvania

External Fetal Monitoring
Internal Fetal Monitoring
Factors Necessary for Optimal Fetal Well-Being
Maternal Component
Placental Component
Fetal Compromise
Basic Warning Signs
Contractions lasting longer than 90 seconds
Relaxation between contractions of less than 60 seconds
Resting uterine tone above 20 mmHg
Peak pressure of contractions above 90 mmHg
Basal Fetal Heart Rate
Factors Associated with Tachycardia
Factors Associated with Bradycardia
Short-Term Variability
Response to Decreased STV
Long-Term Variability
Response to Decreased LTV
Predictable Events
Head Compression
Response to Early Decelerations
Uteroplacental Insufficiency
Response to Late Decelerations
Cord Compression
Response to Variable Decelerations

Fetal Monitoring.ppt

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