What the clearance doesn't cover
It doesn't assess whether your pelvic floor muscles are functioning. It doesn't evaluate diastasis recti or core pressure management. It doesn't look at how your hips and spine are moving, or whether your body is ready to run, lift, or do anything more demanding than walking. "Cleared" means the healing tissue is okay. It doesn't mean the rest of the system is ready.
Most postpartum patients who come in with leaking, prolapse symptoms, or pelvic pain were told at 6 weeks that everything looked fine. It's not that the OB missed something — it's that the appointment wasn't designed to catch those things. Physical therapy is what fills that gap.