For a referral for a 20-week screening ultrasound during pregnancy contact your doctor or midwife. For more information about fetal ultrasounds visit the pregnancy and baby page at ...

Using ultrasound, your provider can ... from weeks 8 through 13. Your baby has a growth spurt between week 14 to about week 18, gaining almost 2 cm (.79 inches) each week. From weeks 19 through ...