Parturition

Question 1

What colour does the marginal haemotoma turn a bitch’s blood?

Answer 1

dark green

Question 2

What colour does the marginal haemotoma turn a cat’s blood?

Answer 2

brown

Question 3

What method is best for feotal viability?

Answer 3

ultrasound, from day 12- conceptus

Question 4

When is abdominal palpations?

Answer 4

2-5 weeks

Question 5

When can Relaxin assay take place?

Answer 5

from 4 weeks, hormone released from the placenta

Question 6

When is the best day for a clinical examination?

Answer 6

Day 45

Question 7

What is a form of pregnancy diagnosis?

Answer 7

Auscultation, detects foetal heartbeats in latter stages- HR’s less than 150bpm can indicate foetal distress
ELSA kits

Question 8

What are the reasons for parturition?

Answer 8

release of foetal glucortiocoids (steroids in adrenal)
stimulates release of PGF2alpha from placenta
inititates corpus luteum regression- leads to decline in progesterone- initiates labour

Question 9

What happens in the first stage of parturition?

Answer 9

initial weak contractions against cervix, cervix starts to dilate from relaxin
lasts 1-12hrs
B- restlessness, stressed
Q- seeks seclusion

Question 10

What happens in the second stage of parturition?

Answer 10

foetal birth,
entering pelvic cavity- Ferguson reflex- triggering oxytocin hormone- triggering contractions
Oxytocin- strengthens uterine contractions- propulsion of foetus through cervix into vagina

chorioallantois membrane ruptured, ‘waters break’
10-30mins

aminon membrane surrounds foetus, CANNOT EAT PLACENTA

check puppies after birth for health/ wellbeing features

Question 11

What happens in the third stage of parturition?

Answer 11

passage of allantochorion and placenta (after birth)

discharge from marginal haemotoma occurs- declines within a week