Worried .. Potential Set Back?

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My Saline Sonogram was scheduled for this Wednesday but the nurse called and said the RE has a surgery now and wanted to know if they could move it to the 30th. So I’ll have my Saline Sonogram on the 30th and the baseline bloodwork and regular Sonogram the next day on the 31st. I’m scheduled to start stimming Aug 4th. What if my Saline Sonogram yields bad results.... that means the cycle will be stopped. ☹️