We are going to do 2d ultrasound to compare between hadlock's formula and thigh soft tissue formula in expecting the after birth fetal weight and to find which of these formulas to be more accurate

We are going to do 2d ultrasound to 200 pregnant women between 38 weeks to 40 weeks singleton pregnancy in Ain Shams University Maternity Hospital to measure the expected fetal weight by hadlock's formula and thigh soft tissue formula and then we are going to measure the actual fetal weight after birth of these 200 fetuses and to find out which formula to be more accurate in estimation of fetal weight

Inclusion Criteria:

1. Gestational age 38 - 40 wks
2. Singleton uncomplicated pregnancies
3. Normal amniotic fluid volume

Exclusion Criteria:

Women with one of the following conditions:

1. Fetuses with congenital anomalies,
2. The biometric measurements of those, which were unable to ascertain due to reasons like deeply engaged head, very thick abdominal wall etc.

pregnant women between 38 weeks and 40 weeks

The study population comprises 200 pregnant women at 38 to 40 week of gestation attending outpatient clinic and emergency Ain Shams University Maternity Hospital, Obstetrics and Gynaecology Department, Faculty of medicine.