FAQ PRPC Other List of articles in category FAQ PRPC Other Title Is there a study guide available? How does PRPC differ from the WCS Certification? Is there an alternative to re-taking the PRPC exam to renew my certification? How long is the certification valid? What is the difference between Herman & Wallace's PRPC and the ABPTS Specialization on Women’s Health? What is the difference between a certificate, certification and specialization?