The GHM-ONE is based on a powerful processor which, in combination with a relay card and mains adapter card, serves as the base unit. The base unit can be adapted to applications with a communications card and up to two I/O cards. The number of physical inputs and outputs can be expanded with external I/Oâs. This modular layout enables
Some practitioners routinely recommend an ultrasound at 6 to 9 weeks to confirm and date the pregnancy, but others will only do one if they have reason to suspect any of the following:
How many ultrasound exams will I have during my pregnancy? You should have at least one standard exam during your pregnancy, which usually is performed at 18â22 weeks of pregnancy. Some women may have an ultrasound exam in the first trimester of pregnancy. A first-trimester ultrasound exam is not standard because it is too early to see many of the fetusâs limbs and organs in detail. An ultrasound exam done this early is used to do the following: Estimate gestational age.