Canine Pregnancy Flashcards
How early can pregnancy be detected by UltraSound?
>24 days after ovulation
As early as day 21 w/P4 assays
T or F:
Bitches should be supplemented with Calcium to help the developing fetuses grow and maintain health.
FALSE-O
Dr. Chappy says other than omega-3 fish oils are helpful,
but avoid all other supplements
If we know Day 1 of diestrus, what will the gestation length be?
56-57 days after onset of diestrus
Progesterone is thermogenic. How long prior to whelping will the bitch’s temperature change? How will it change?
~24 prior to whelping, body temp will drop
{usu. drops below 98°F}
When P4 drops to 10ng/mL, approx. how long should we expect whelping?
~36 hours
When are pre-whelping radiographs “safe”?
After 42 days for fetuses
best done one week prior to due date
How long post-ovulation will gestation be?
What would we expect the P4 levels to be?
63 days
P4: 5ng/mL
A prepartum bitch presents with [P4]=4ng/mL
How long do we have until whelping?
18 hours!
How long do we expect gestation to be post-breeding?
61-63 days
{range 55-70}
In the case of a prolonged gestation, no signs of second stage of labor,
potential hypocalcemia, and [P4]=_<_2ng/mL, what are we thinking?
Primary Uterine Inertia
Terrier breeds
When does nesting behavior happen?
12-24 hours prior to parturition
What are signs of the first stage of parturition?
- [P4] drops
- Removal of P4 block from uterus; {myometrial activity begins}
- inc. in OxyT receptor sites
- nesting, anorexia, anxiety, vomiting {but will drink water normally}
What is the greenish-black discharge that we may observe in the second stage of parturition?
uteroverdin
T or F:
80% of cases, fetuses are delivered alternately from each uterine horn.
True.
