The pregnancy diagnosis is of great interest for the veterinary specia
list in small animals and for the pets' owner. Nevertheless it is freq
uently difficult to made a pregnancy diagnosis without having an accur
ate and precocius method. In this review, a critical analysis of the d
ifferent methods was done in the aim of evaluate theirs respective int
erests. The abdominal palpation, the radiographic examn, the auscultat
ion, the Doppler effect, the haematologic (haematocrit and blood formu
le), laparoscopic, biochemical (C-reactive protein and fibrinogen) and
hormonal (relaxin, prolactin and progesterone) methods and the echogr
aphy are analysed in details with theirs advantages and disadvantages.
The future perspectives are also presented.