Table 3. Gestational age estimation using fetal biometric parameters and comparison between maternal age group.

Gestational age estimation using various parameters of study participants.

Gestational age	Maternal age <30 years group N = 77	Maternal age ≥30 years group N = 23	p-value
As per LMP mean (SD) days	228.2(12.2)	235.3(11.6)	0.016∗
As per head circumference mean (SD) days	239.5(12.2)	231.7(12.7)	0.008∗
As per abdomen circumference mean (SD) days	231.8(13.1)	223.7(13.2)	0.009∗
As per femoral length mean (SD) days	233.7(12.1)	226.4(13.1)	0.010∗
As Per Biparietal Diameter Mean (SD) Days	233.1(11.8)	225.7(9.9)	0.015∗

Notes.

An asterisk (*) indicates significant difference.