A member asked:

I was curious how far along i'd be if the ultrasound said 6.5 cm/1.3/27 hz at the top of my picture. ?

A doctor has provided 1 answer
Dr. Miguel Cano answered

Specializes in Obstetrics and Gynecology

Sorry Mildred,: those numbers are most likely related to the ultrasound settings, (Depth/gain/frequency) Ask your OB or sonographer for your dates or measurements. In early pregnancy we measure crown-rump-length (CRL). Later, the fetal head diameter (biparietal diameter or BPD) from "ear-to-ear." Also look for abd. circumference (AC), head circum. (HC), or femur length (FL) since these are used more often.

Answered 12/29/2022



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