There may be some discomfort from pressure on the full bladder.The conducting gel is non-staining but may feel slightly cold and wet.Such measurements form the cornerstone in the assessment of gestational age, size and growth in the fetus.
Windham is a Board Certified Obstetrician & Gynecologist in Tennessee.
There are 22 references cited in this article, which can be found at the bottom of the page.
Ultrasounds, also called sonograms, are used for diagnostic purposes and are a noninvasive method for your doctor to visualize your internal structures and organs.
Normal heart rate at 6 weeks is around 90-110 beats per minute (bpm) and at 9 weeks is 140-170 bpm.
At 5-8 weeks a bradycardia (less than 90 bpm) is associated with a high risk of miscarriage.