Pregnancy failure/ problems Flashcards
describe what cystic endometrial hyperplasia look like on US
multiple fluid filled cysts in endometrium
what condition are dogs with cystsic endometrial hyperplasia more likely to get
mating induced endometritis
what can happen if mating induced endometritis does not resolve and persists into (pregnant) luteal phase
may result in pregnancy failure
These dogs resorb the entire litter in the early luteal phase
when investigating resorption/ abortion in bitch what should you send away
Send unfrozen fetus and membranes for investigation
Collect swabs of discharge for PCR
Collect serum to evaluate rising Antibody Titre
List 5 possible infectious causes of reabsorption/ abortion in dogs
canine herpes virus
Brucella canis
Canine parvovirus
Canine adenovirus
Canine distemper virus
what does canine herpes virus cause in adult dogs
infertility in females (and males?)
genital lesions
abortion
placentitis => weak puppies
Describe how to diagnose canine herpes virus
serology- demonstrates exposure not infection
virus isolation- specific - refrigerate and submit <24hrs
List the signs seen with canine herpes virus in puppies
acutely fatal disease
sudden death
haemorrhage
vomiting/diarrhoea
weight loss and failure to suck (“fading puppy”)
constant complaining
neurological signs
ocular disorders
what do we sometime see in GSD that can cause reabsorption/ abortion
low progesterone concentrations
List 3 potential problems associated with using progestogens during pregnancy
increase the incidence of pyometra
result foetal abnormalities
impair or delay parturition
List 3 non-infectious causes of reabsorption/ abortion
abnormal uterine environment
fetal abnormalities
low progesterone
If you think a infectious cause to reabsorption/ abortion in queen what do you do
Send unfrozen aborted fetus and membranes for investigation
List 6 possible infectious causes of reabsorption/ abortion in the queen
Feline leukaemia virus
Feline herpes virus
Feline panleucopenia virus
Feline infectious peritonitis virus
Chlamydia psittaci
Toxoplasma gondii
Describe how to treat a dam at the time of resorption/ abortion
Isolation from other dogs
Systemic antimicrobial preparations (for secondary infection)
Ecbolic agents (oxytocin) to aid expulsion
General / specific nursing care
On a 4 week pregnancy scan on a bitch, what do we expect to see
Well defined embryo with a heart beat