Ultrasound

Hi ask ko lng kng may naka experience po sainyo n ung edd ng ultrasound iba s edd ng lmp?nagpaultrasound po kc aq last may 11 pinakita ko n din s ob ko ung result wla nmn po sya cnb iba bukod s ok nmn daw ung result mdyo nag woworry lng po aq that time kc im 20 weeks peo s ultrasound aog n baby 18 weeks?sna may makapansin, GOD BLESS US ALL