What should you do if a patient has experienced a spontaneous abortion or miscarriage?

When a patient experiences a spontaneous abortion or miscarriage, it is vital to assess their overall condition and respond to any signs of shock. This situation can lead to significant blood loss and emotional distress, both of which can contribute to shock.

Treating the patient for shock involves monitoring their vital signs, providing emotional support, and facilitating access to advanced medical care if necessary. Recognizing and addressing shock ensures that the patient's immediate health needs are met and helps prevent further complications.

The other options are not appropriate in this scenario. Removing or discarding tissues could interfere with medical evaluation and management. Placing a sanitary napkin may provide some comfort, but it doesn't address the critical need for monitoring and treating for signs of shock. Hence, focusing on shock treatment is the most critical action in this context.