Your daily dose of clinical tips and quips: Pregnancy diagnosis.
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“Because the relaxin test does not confirm pregnancy any earlier than abdominal ultrasonography nor does it provide information about fetal viability or litter size, abdominal ultrasonography is my preferred method for diagnosing pregnancy in bitches.”
-Margaret V. Root Kustritz, DVM, PhD, DACT
From Practical Matters: Canine pregnancy diagnosis: serum relaxin or ultrasonography?