Ay, I get it, sobrang confusing talaga pag may discrepancy between LMP at ultrasound dates! Based sa experience ng aming mum group, pag mag-differ, usually ang BPS ultrasound ang mas reliable lalo na kung early pregnancy pa lang (first trimester) kasi yun ang based sa actual baby measurements naman. But honestly, iba-iba ang cases, some of us had LMP na off dahil irregular periods or timing ng conception, so best talaga na i-discuss mo yan ng malinaw sa OB mo para alam niya kung alin ang gagamitin as your official due date, kasi seryoso yan for monitoring and labor induction decisions!