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Retained Placenta in Cats

A retained placenta, or retained afterbirth, occurs when the placenta (the sac surrounding an unborn kitten) is not expelled from the mother’s uterus along with the kitten at the time of birth or shortly after.

Symptoms and Types

• Green discharge from vulva that continues
• Fever (in some cases)
• Systemic disease (in some cases)

Causes

The placenta is retained in the uterus rather than being expelled with or shortly after the birth of the kitten.

Diagnosis

History of a recent birth with a physical examination finding of a green discharge from the vulva is supportive of a diagnosis of retained placenta. Your veterinarian may recommend routine blood testing, though these results may be normal. Vaginal cytology may also be recommended. Your veterinarian may need to take X-rays and/or perform an ultrasound of the uterus. In some cases, exploratory surgery may be necessary.