Approach to Examining the Female Tract Flashcards
Poppy started her first season in June 2018.
She had a routine ovariectomy in the first week in September 2018
In the second week of January 2019, she had vulval swelling but no discharge
Mammary gland enlargement was present last week
- What diagnostic tests might be useful in the case?
•Look at history, there is some vulvar swelling – normal time between oestrous cycles in dogs is 7 months
–Common to be interval of 3 months or so after the end of oestrous to neuter
–Interval makes us suspicious of ovarian remnant maybe?
–Hormonal environment if she had come back into oestrus – high oestrogen in January. Ask questions about her behaviour, would she lick discharge away before we could see
–Behavioural changes – prooestrous vs oestrus, did she seek males? Any swelling?
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–Mammary gland enlargement – at least 4 caudal glands are enlarged, so less likely. Hormonal environment that causes this – some aspect of prolactin that might cause behaviour changes but progesterone causes the enlargement of the glands.
–Almost certainly has an ovarian remnant as it has enlarged mammary glands, from progesterone! Which comes from ONLY the ovary – so we are suspicious on the history
–Could do a GnRH stimulation test or quite simply, measure progesterone! Will have high levels of progesterone for 2 months past oestrous. Could scan to look for it – can be difficult to see, but could try. If it was a cow/horse – might do rectal to see if we can feel it
What things should you try to get from the clinical history when examining a female reproductive tract
- History taking should be relevant and specific to the species, age and presentation of the clinical problem
- What you say will be heard by the owner and will influence their opinion of you as a veterinary surgeon
- Climate / nutrition / stress / teratogens may be implicated in reproductive disease in some species.The owner may not be aware of the impact/status of these parameters and this may require you to undertake further investigation
What is some important information you want to get from the owner before performing the physical exam?
- Has the animal previously been pregnant?
- Could the animal currently be pregnant?
–Is it possible that it is currently too early to detect?
–If this is possible you MUST remember this during your examination, especially if you consider breaching the cervix
If the female that has been recently mated, what stuff do yu want to do to find out about previous breeding records?
In the female that has been recently mated:
- When were exact dates of mating?
- Is the male of proven fertility (when was this performed)?
- Has pregnancy been confirmed: how and by whom?
- What clinical signs have been demonstrated?
- Has any vulval discharge been noted / when and what colour was it?
What do we want to know with regards to infectious disease risk in a female before any examination?
•Does this female pose or potentially pose a infectious disease risk?
–Could be infectious to us - zoonotic e.g.
- Leptospiral abortion/stillbirth in cows
- Brucella abortion in cows and sows
–Transmission of venereal / other pathogens as a result of clinical examination
•Could be transmissible to another female? By contaminating by examining this one and then going onto the next one etc.
–Could there be any requirement to report this condition or is it notifiable? e.g.
•Contagious equine metritis (CEM) [Taylorella] in mares
Name a notifiable reproductive disease in the mare
Contagious equine metritis (CEM) [Taylorella]
Name 2 zoonotic risks with a reproductive exam in cows and sows
–Could be infectious to us - zoonotic e.g.
- Leptospiral abortion/stillbirth in cows
- Brucella abortion in cows and sows
If this female poses or potentially pose a infectious disease risk to other horses or ourselves, as the vet - what should we consider doing?
Consider:
–Tail bandages, tail ties, rectal sleeves on tail
–Disposable gloves
–Parturition gowns (N.B. sleeves of underclothes)
–Footwear
–Disposable/sterilisable instruments
Before any physical examinations, what else should you consider that might be required?
•Is any bacteriological screening required?
–e.g. CEMO, Klebsiella, Pseudomonas in mares
•Is any virological screening required?
–e.g. FeLV in queens
•Are any genetic tests required?
–Cats: polycystic kidney disease
–Dogs: many eye disease (PLL, Cataract, PRA), von Willibrands, hip dysplasia etc.
–Arab horses: Severe Combined Immuno-Deficiency (SCID)
What do we vaccinate horses again whilst they are pregnant?
Horses – vaccinate for herpes virus during pregnancy
What do we vaccinate ewes again whilst they are pregnant?
Clostridial vaccination to pregnant ewes and pigs to prevent disease in neonates
What is a relevant pre-mating vaccine in egg laying birds?
•Relevant pre-mating vaccination?
–e.g. Salmonella in egg laying birds
When do we vaccinate for canine herpes virus with regards to pregnancy?
e.g. Canine herpes virus after mating (when required) to prevent abortion
Why do we perform a general clinical examination before a reproductive exam
•To ensure that there are no diseases or defects that preclude from getting pregnant / successfully taking pregnancy to term
–Body size, body condition
–Dentition, feet (predisposition to disease)
–Ventral hernia
•And to rule out hereditary defects
–Hip dysplasia in dogs etc
When we examine the mammary glands, what are we looking for?
- Correct number of teats
- Evidence of stage of the oestrous cycle
- Presence of current disease
- Evidence of previous disease
When examining the perineum of a horse, what are we looking for - what is a common conformation problem?
- The first line of defence
- Normal alignment of the vulval lips
- e.g. Mare – horses commonly have abnormal conformation of the vulvar and can be difficult to get pregnant and they often become infertile. In many horses, the anus (because of loss of fat) tends to sink inwards, and drags the vulvar with it – the angle of vulvar changes – no longer vertical, it becomes tilted. So when horse poos, get contamination of vulval lips – material can be aspirated into vestibule and can cause vaginitis and vestibulitis etc.
What should the mares vulvar be like - what is its normal, correct conformation?
- 75% of vulva should be ventral to brim of pelvis
- Vulval should be perpendicular to the ground and not slope more than 10 degrees
- Labia should form a tight seal
- There should be no entry of air into the vagina (no foam in the vagina, no noise when walking)
- No contamination of the vuvla with faeces
When examining the perineum in a female, what are we looking for?
- Evidence of vulval swelling
- Presence of any discharge
–Noted at vulval lips
–Noted on underside of tail
•Evidence of venereal pathogens
–Coital exanthema in mares (Equine herpes 4)
–Infectious pustular vulvovaginitis of cows (Bovine herpes virus 1)
•Herpes virus frequently causes changes in the skin
When examining the perineum, what are some veneral pathogens we should look for?
–Coital exanthema in mares (Equine herpes 4)
–Infectious pustular vulvovaginitis of cows (Bovine herpes virus 1)
•Herpes virus frequently causes changes in the skin
When doing an examination of the vulvar, what should we be looking for?
•Normal or abnormal?
–Previous injury or surgery
–Smegma – normal in males
–Small mucoid discharge normal in females and is common in bitches through pregnancy
•Presence of normal or abnormal discharge?
–Normal discharge
- What is normal in different species?
- Presence of normal or abnormal discharge?
–Abnormal discharge
•A small volume slightly coloured mucoid discharge is very common in many species
When doing an examination of the vestibule, vagina and cervix, how can we perform a clean and thorough examination?
•Clean vulval lips and undertake a sterile manual / digital examination or speculum examination (n.b. different information is made available using these techniques)
–Direct visualisation
–Blind palpation
–Manual ‘scooping’ of contents and later inspection
When doing an examination of the vestibule and vagina, what should we be looking for?
- Normal
- Abnormal
–Fluid / discharge from external urethral orifice
–Fluid pooling within vagina
–Fluid discharge from cervix
•Do we expect discharge? When there is a dog in oestrus, there will be blood tinged discharge, don’t expect this in other species though
–Abnormalities of vestibular / vaginal wall
•Estimation of the stage of the cycle
–Vaginoscopy in the bitch
•Collection of specimens from the Vagina
–For estimation of stage of the cycle
- Vaginal Cytology (bitch/queen)
- Assessment of vaginal fluid Ferning (cow)
- Measurement of vaginal fluid electrical resistance (fox)
When doing an examination of the cervix, what should we be looking for?
- Evaluation of cervical opening (e.g. at parturition)
- Estimation of the stage of the cycle
- Normal
- Abnormal
–Discharge
–Previous trauma / laceration
•E.g. maybe at foaling there was tearing, and now there is significant adhesion or fibrosis – might see on speculum exam or might feel it
–Fibrosis
When doing an examination of the cervix, when should you broach it?
Do not breach the cervix unless you are 100% sure that the animal is not pregnant


