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