1. An unusual amount of milk in the mammary glands: When Janet's dog had puppies, there were so few that galactostasis developed because there was just too much milk for just the few pups!
2. A surcease of the secretion of milk: After nursing her baby for 3 months, Mrs. Hathaway discovered that galactostasis had set in and she had to continue with a prepared dairy product from the bottle.