Table 1: Comparison between gestational age and reported age averages for the three evaluated breeds and statistical analysis.

Breed AverageStandard deviationAverage standard error value
RGAGARGAGARGAGA

Small size13845.7838.499.946.090.850.52<0.001*
Medium size10845.1041.6211.127.221.070.69<0.001*
Large size9042.7441.769.247.370.970.780.030*

: number of female dog, RGA: reported gestational age, GA: gestational age obtained considering the curves adjustment.
*Student’s -test.