I have been referred to the pre-term birth clinic for something I didn't even know was a risk factor and will have a scan soon to measure my cervix length. What can I expect from these scans? I'm familiar with vaginal ultrasounds from IVF so not worried about that bit. Do they just quickly measure the cervix or do you get to see the baby too? Do they do any basic checks on the baby's growth? Do you normally go to the appointments along or bring your partner like for the standard ultrasounds?