Food is generally the most common cause of anaphylaxis. Common food triggers include nuts, shellfish (shrimp, lobster), dairy products, egg whites, and sesame seeds.
The most common time for a scan is about 19-20 weeks of pregnancy. This is the best time to check the baby's physical development. Ultrasound scans can be done at any stage of pregnancy, with signs of pregnancy being seen as early as 5 weeks.he most common time for a scan is about 19-20 weeks of pregnancy. This is the best time to check the baby's physical development. Ultrasound scans can be done at any stage of pregnancy, with signs of pregnancy being seen as early as 5 weeks.
All About the 20-Week Ultrasound. The mid-pregnancy anatomy scan may be the most eagerly anticipated ultrasound of any you'll get as a parent-to-be. Find out what you'll see when you have yours. For most parents-to-be, the 20-week anatomy ultrasound is their big chance to sneak a peek at their baby before his birth day.