Hi all This is my 1st pregnancy. My first ultrasound which was at 6weeks of my pregnancy shows that my gestational sac is 5weeks old where as my yolk sac is 6weeks old. There is one week discrepancy in the growth of the two. Has anyone experienced that ever? Is it something to worry? *fingers crossed* Thanks in advance.
Hi,This one week discrepancy is not considered significant, these calculations are dependent on equations based on the diameter of each sac, so minimal changes in diameter measures give you changes in the age of the sac. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Melek, Cardiologist