7.2 cm x 3.2 cm gestational sac is how many days pregnant

Patient's question:

No

Doctor's answer:

If the gestational sac is developing normally, according to the gestational sac, it should be 54 days pregnant. Pregnancy duration is calculated from the first day of the last menstrual period. At 54 days pregnant, the intercourse should have occurred around 39 days ago, with an error of one week before or after.