National Program to Overcome Pelvic Pain studY (POPPY)

Inclusion Criteria: * Women (individuals reporting female sex assigned at birth who self-identify as women or non-binary) aged 18 years or older * Report chronic or recurrent pain in the pelvis (between or below the anterior iliac crests) for at least 6 months * Report at least moderate pain intensity based on a screening pain log * Report prior clinical evaluation of their pelvic pain by a healthcare professional including at least a superficial pelvic exam * Willing to refrain from initiating new clinical treatments that may affect their pain during the study period Exclusion Criteria: * Report pelvic pain occurring exclusively with menses or exclusively during sexual intercourse (although candidates with at least some pain between menses or intercourse are still eligible) * Participation in organized yoga classes or muscle strengthening programs (e.g., Pilates) in the past 4 weeks, or any prior yoga therapy specifically directed at pelvic pain * Lacking technical requirements to complete intervention classes by video, including no access to broadband internet or a Zoom-compatible device larger than a smartphone \[display screen at least 7 inches in diagonal\] (although the study team may loan devices to participants from underrepresented backgrounds) * Currently pregnant (by self-report or screening test), pregnant within the past 12 weeks, or planning pregnancy during the study period * Diagnosed with an alternate, reversible cause of pelvic pain that is unlikely to re…