An NT scan must take place at a particular time in your pregnancy. This is between 11 weeks and 13 weeks plus six days, or when your baby's crown rump length (CRL) is between 45mm (1.8in) and 84mm (3.3in). So it will usually happen during your routine dating scan.
Yes: Crohn's disease can cause mouth sores similar to canker sores (aphthous ulcers). Crohn's disease can affect the digestive tract, anywhere from the mouth to the anus. ...Read more.
Canker sores are a common form of mouth ulcer. They may occur with viral infections. In some cases, the cause is unknown. Canker sores may also be linked to problems with the body's immune system. The sores may also be brought on by: Mouth injury from dental work. Cleaning the teeth too roughly.