Ultrasound Ultrasound most reliable method for assessing fetal growth login to view 8 more bullets Fetal stress test login to view 2 more bullets Fundal Height Least invasive If 2 cm deviation from normal during weeks 18-36, repeat measurement and/or ultrasound Fundal Height Timeline Location of Fundus 12 weeks Pubic symphysis 16 weeks Midway from symphysis to umbilicus 20 weeks Umbilicus 20-36 weeks Height from pubic symphysis in cm correlates with weeks of gestation Early Pregnancy Fetal Parameters Useful in early pregnancy login to view 2 more bullets Late Pregnancy Fetal Parameters Four measurement requirement due to wide deviation in normal for each One of the most effective ways of evaluating gestational age Includes login to view 4 more bullets