Canine and Feline Pregnancy Flashcards
From the LH surge, what is the gestation length of a canine pregnancy?
64-66 days
From ovulation, what is the gestation length of a canine pregnancy?
62-64 days
What type of placenta do bitches have?
Endotheliochorial/zonary
What is haemodilution?
Decreased haematocrit
What is an essential pregnancy hormone?
Progesterone
What happens to progesterone levels 1-2 days prior to whelping?
Sharp decline
Where in the body is prolactin produced?
Pituitary gland
What hormone is responsible for the maintenance of the CL?
Prolactin
Where is relaxin produced in the body?
Placenta
What hormone prepares the birth canal for parturition?
Relaxin
What is the most commonly used method of pregnancy diagnosis in the canine?
Transabdominal ultrasound
How many days after the LH surge can the foetal heartbeat be detected via ultrasound in canines?
23 - 25 days
How many days after the LH surge can the foetal skeleton be detected via ultrasound in the bitch?
33 - 39 days
What does. a body temperature drop by 1-2 degrees indicate in the bitch?
Bitch is close to whelping
Prior to whelping, do relaxin levels increase or decrease?
Increase
Prior to whelping, P4 _____ and prolactin ______ (inverse relationship)
Prior to whelping, P4 decreases and prolactin increases (inverse relationship)
How many days is a feline pregnancy gestation?
65 - 67 days
How many days into feline gestation does P4 peak?
25 - 30 days
Which hormone begins to rise on day 35 of feline gestation?
Prolactin
After how many days post-coitus can palpation be used in cats to determine pregnancy diagnosis?
21-25 days
After how many days post coitus is a relaxin assay reliable as a method of pregnancy diagnosis in felines?
> 28 days
When is an ultrasound done post coitus in a feline?
16-25 days
When can a foetal heart beat be determined in a feline ultrasound?
25 days post coitus
What pregnancy diagnostic method can be used to determine litter size 38 days post coitus in the feline?
Radiographs
During stage 1 of parturition , uterine _______ begin and the cervix ______
During stage 1 of parturition, uterine contractions begin and the cervix dilates
If more than __ hours between pups during stage 2 parturition then a vet needs to be called
If more than 2 hours between pups during stage 2 parturition then a vet needs to be called.
What happens during stage 3 parturition?
Expulsion of foetal membranes
What causes secondary uterine inertia?
Uterine fatigue usually due to an obstruction
Failure to expel a normal sized fetus through the birth canal that has no obstruction is called……?
Primary uterine inertia
Which type of uterine inertia is due to an obstruction?
Secondary uterine inertia
Name two drugs that can be given to treat primary uterine inertia in the bitch
- Oxytocin
2. Ca gluconate
What is a normal/viable foetal heart rate of a canine during parturition?
180 - 245 bpm
Lutalyse and Cloprostenol are ________ used to ______ pregnancy in the bitch.
Lutalyse and Cloprostenol are prostaglandins used to terminate pregnancy in the bitch.
Bromocriptine and cabergoline are ______ agonists
Bromocriptine and cabergoline are dopamine agonists
