At 12 weeks scan, you can ask your doctor questions about the baby's measurements, his spine and other internal organs formation, your placenta and cervix, etc.
With the morning sickness easing up, you must be relieved. As you step into the second trimester, you will feel energetic and comfortable. Make sure you enjoy this time and plan a babymoon to get away from the hustle-bustle for a while. Don't forget to rest and eat well. Take care!