You will feel the baby lower down than usual, the muscles around her tail will be lose, and her bag will be noticeably bigger. If she lays down but seems very restless, she is most likely going into early labor.
The first sign that a doe will kid soon is a change in the tail ligaments. The doe may also become irritated, restless, and vocal. She should have full udders.
Generally, she'll be restless, vocal, she might stop eating about 24 hours before, there will be discharge and you can see contractions through her abdomen.