Felis ISSN 2398-2950

Pregnancy diagnosis

Contributor(s): David Godfrey, Rob Lofstedt, Autumn P Davidson


  • Pregnancy diagnosis and subsequent examinations are important because:
    • Permits better cattery husbandry when pregnancy is confirmed.
    • Permits earlier evaluation for failure to conceive.
    • Owners can home/sell kittens while they are still in utero.
    • The fertility of the male can be proven.
    • The health of the pregnancy and fetal viability can be monitored. 
    • Gestational aging is possible.
    • Stud fees can be paid on the basis of a positive pregnancy diagnosis.
    • Owner can prepare for the parturition Parturition.
    • Single kitten syndrome can be confirmed and managed appropriately.
    • Non-gravid females need not be treated unnecessarily to terminate pregnancies.


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Further Reading


Refereed papers
  • Recent references fromPubMed.
  • Davidson A P & Baker T W (2009)Reproductive ultrasound of the bitch and queen. Top Companion Anim Med24, 64PubMed.
  • Zambelli D et al(2006)Ultrasonography for pregnancy diagnosis and evaluation of queens. Theriogenology66, 125PubMed.
  • Haney D et al(2003)Use of fetal skeletal mineralization for prediction of parturition date in cats. JAVMA223, 1614PubMed.
  • Davidson A P, Nyland T G, Tsutsui T (1986)Diagnosis of pregnancy in the queen with ultrasound. J Vet Radiol27(4), 109-114.