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 to Prepare for an Ultrasound. The steps you will take to prepare for an ultrasound will depend on the area or organ that is being examined. Your doctor may tell you to fast for eight to 12 hours before your ultrasound, especially if your abdomen is being examined.