No reason to be concerned. Animals are very sentient,and may be affected by pheromones and other scents that are unique to pregnancy. Just because we don't consciously react to these, it is not unusual for animals to react.
Good luck and congratulations on your pregnancy.
Dr. Van Lienden
Dr. Raymond Van Lienden DVM
The Animal Clinic of Clifton
12702 Chapel Road, Clifton
Virginia, U.S.A. 20124
703-802-0490
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