Dogs with benign prostatic hyperplasia have been found to have increased relaxin levels and suspected subsequent weakening of the pelvic diaphragm. In cats, perineal hernias are seen most commonly following perineal urethrostomy surgery or secondary to megacolon.
Studies have revealed that dogs with benign prostatic hyperplasia exhibit higher relaxin levels, which may contribute to weakened pelvic floor muscles. Similarly, in cats, perineal hernias are commonly observed after perineal urethrostomy surgery or secondary to megacolon.