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.
Multiple factors may cause canker sores, including injury to the mouth, acidic or spicy foods, vitamin deficiencies, hormones, stress, or autoimmune disorders. Canker sores are not the same thing as fever blisters (cold sores). Most canker sores require no treatment and heal on their own.