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:
It depends. The most effective time to have an ultrasound in a healthy pregnancy is between 18 and 22 weeks gestation. During this window of opportunity the organs are developed to a point where technicians can assess their functions, and the baby is large enough to adequately determine growth.