Sample size
A total n = 95 singleton pregnant women without any medical or surgical
complications participated in this study from 34 weeks onwards. The
details of their age, parity, education level, socioeconomic status were
noted. All of them underwent ultra-sonographic (USG) assessment using
LOGIQ F6 (V-1.0.9) (Wipro GE) machine using a 4C-RS probe with 4 MHz
frequency.