Placenta

Criteria for Placental Examination

These criteria were developed in collaboration with the Regional Department of Obstetrics and Gynecology. Placentae in these groups should be submitted to Pathology (no fixative) for examination.

• Gestational age - 34 weeks or less
• Birth weight < 2000 grams
• IUGR
• Multiple births
• Stillbirths
• Abruptio placentae
• Congenitally abnormal fetus
• Two vessel cord (for confirmation)
• Extensive infarction
• Maternal illness, at physician's discretion
• Other concerns, at physician's discretion

Requisition

CLS Request for Placenta Histopathology

Other:

If additional specimens are sent, a CLS Anatomic Pathology Requisition is required.

If Cytogenetic testing is requested: CHR Requisition for Cytogenetic and FISH Services, Form# 101667

Specimen Handling and Transport

Submit the specimen in an appropriate sized plastic container with no fixative (dry). Label the container with the mother's information according to CLS requirements.

DO NOT use yellow or red biohazard waste bags or containers.

Specimens collected after laboratory hours may be held in the fridge (4˚C) until the next working day.  Submit through the Histology Laboratory.