A mother cat may show some signs when she is having dystocia, indicating that she is experiencing difficulties during labor. Here are some possible signs:
1. Frequent, ineffective straining: The mother cat may push frequently but no new kittens are born. She may show obvious confusion and discomfort.
2. Delayed delivery: If the mother cat continues to push but no new kittens are born after more than an hour, this may be a sign of dystocia. Normally, kittens should be born within 20-30 minutes after the mother cat begins to push.

3. Rapid or difficult breathing: Dystocia can put stress on the mother cat's strength and breathing. You may observe that the mother cat's breathing becomes rapid, difficult, or abnormal.
4. Abnormal vaginal bleeding: If you notice abnormal vaginal bleeding in your cat, especially heavy or persistent bleeding, this could be a sign of dystocia.
5. Discomfort and anxiety: The mother cat may show obvious discomfort and anxiety, and she may look for different positions, trying to find a more comfortable birthing environment.