Usagi, a Japanese unisex given name, used by Usagi Tsukino or Sailor Moon, the main character in Sailor Moon Usagi Chibiusa Tsukino or Chibiusa, a character in Sailor Moon
It is a fast, easy and painless evaluation that uses ultrasound waves to produce images of the heart. In North America, the test is performed by a specially trained technologist, called a sonographer, and is interpreted by a specially-trained physician, usually a cardiologist, trained in reading heart ultrasounds.
In the second trimester, usually around 18 to 22 weeks, most obstetricians order an ultrasound to check fetal anatomy. This exam typically takes about 30 to 45 minutes, depending on the sonographer's skill, your weight and the baby's position.