Taking pictures of the goat's udder (starting at 140 days pregnant) can help us know how soon she is going to deliver. In my experience, a dam's udder will gradually fill as she gets closer to kidding day, but 12-24 hours before she delivers, her udder will "pop" and look significantly bigger than the previous day. The following are examples of our daily udder updates & what the udder looks like when it "pops".