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:
Hearing or seeing your babyâs tiny heart beating for the first time is an exciting moment. Your baby's heart starts beating when you're six weeks pregnant. Around the time of your dating scan, your babyâs heart is beating between 110 times and 160 times a minute. Thatâs about twice as fast as your heartbeat. You may also hear your babyâs heartbeat at one of your antenatal appointments. Your midwife is unlikely to listen for it while youâre still in your first trimester, as it can be hard to pick up at this stage. After your dating scan, the next time you hear your babyâs heartbeat may be during your 16-week appointment with your midwife.