How a Sonogram Can Determine if Your Pregnancy Is Normal or Abnormal

…..Over the last 30 years, ultrasound has changed dramatically in how we evaluate early pregnancy.  Transvaginal sonography has allowed us to assess early gestation with better clarity. …..The gestational sac is the first visible sign of a normal intrauterine pregnancy.  This should be seen with the transvaginal sonogram by 5 weeks after the last menstrual period….