My Nubian doe is on her second freshening, and the earliest due date is June 19th. This is for certain, as there aren't any bucks for 20 miles. If not more. She is starting to get a larger udder than usual. It swings around when she runs, along with her ears! She is not showing any other signs, but she isn't very expressive during heat either, and last time, two days before she dropped twin doelings, we were considering the possibility that she might be pregnant. She's very good at hiding.