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:
Is fasting necessary before a renal ultrasound? Yes, you need to fast 6 hours before the exam. Also in order to  have a full bladder for the procedure, you should drink at least  16-32 ounces of water 30 mins to an hour bâ¦efore the exam. That is  at least one- two water bottles.