Talk to Gynecologist on Discuss About Anomaly Scan

i do anomaly scan at 19 weeks 5 day in pregnancy from indus hospital. radiologist use only cord words to telling other radiologist during ultrasound not give me any scan report only said all ok . she said to other radiologist anterior fundal, and said 3 ,1,7 and said 19 ,5 Edd 7-7 .i understand digit 19 , 5 means 19 week 5 day pregnancy and 7- 7 mean estimate delivery date .But what is the mean of 3,1,7 ??? tell me