Normal Values:

The fetus and associated pelvic structures are normal in appearance and appropriate for the gestational age.

Note: Normal results may vary slightly. Talk to your doctor about the meaning of your specific test results.

What abnormal results mean:

Abnormal ultrasound results may be due to some of the following conditions:

• Birth defects
• Ectopic pregnancy
• Intrauterine growth retardation
• Multiple pregnancies
• Miscarriage
• Problems with the baby's position in the womb
• Problems with the placenta, including placenta previa and placental abruption
• Too little amniotic fluid
• Too much amniotic fluid ( polyhydramnios)
• Tumors of pregnancy, including gestational trophoblastic disease
• Other problems with the ovaries, uterus, and remaining pelvic structures