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:
As a general rule, 5.5 to 6.5 weeks is the earliest time that your doctor will be able to detect a fetal heart beat by trans-vaginal ultrasound. In other words, about six weeks is the earliest stage where you can hear your tiny babyâs heartbeat with an ultrasound. At that early phase, your babyâs heart rate should be about 100 beats per minute.