Dogs are believed to be able to sense pregnancy in humans, mainly due to their extraordinary sense of smell and sensitivity to behavioral changes. Dogs have a highly developed olfactory system with up to 300 million scent receptors, allowing them to detect subtle changes in body odor caused by pregnancy hormones such as human chorionic gonadotropin (HCG) and progesterone. Additionally, dogs are attuned to behavioral changes in their owners, such as tiredness or nesting behavior, which often accompany pregnancy. Many pregnant women report their dogs becoming more protective, affectionate, or clingy, sometimes even before the pregnancy is visibly apparent.
In summary, although scientific studies specifically confirming dogs' ability to detect pregnancy are limited, it is widely accepted and reported that dogs can sense the hormonal and behavioral changes associated with pregnancy through their keen senses.
