Sonogram dating for due date
When you’re expecting, getting an ultrasound is one of the most anticipated events of your entire pregnancy.
After all, it’s during this exam that you’ll see the first adorable images of your tiny fetus.
If your pregnancy is at least six to seven weeks along, you may even get to see a heartbeat.
If you’re at least five to six weeks pregnant, you’ll probably see the beginnings of an amniotic sac and a fetal pole, which will become baby’s body.For an early ultrasound, you may be asked to drink water and hold off on urinating for about an hour before your exam.That’s because a full bladder makes it easier to see inside the uterus.Then, the doctor or ultrasound technician will run a probe back and forth through the gel, and the first images of baby will appear on a screen. According to Mara Rosner, MD, assistant professor with the department of obstetrics and gynecology at NYU Langone Health in New York City, the ultrasound probe transmits high-frequency sound waves.These sound waves bounce off tissue and then back to the transducer probe.
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