1 Camera-based Reader: installed with camera and image processing techniques in the reading of barcodes. 2  CCD Reader: has several light sensors to scan barcodes. 3  Omni-Directional Barcode Scanner: highly advanced and very efficient in decoding badly printed, crumpled, and even torn barcodes on products.
The first visit is designed to confirm your pregnancy and to determine your general health. In addition, the visit will give your healthcare provider clues to any risk factors that may affect your pregnancy. It will typically be longer than future visits. The purpose of the prenatal visit is to: 1  Determine your due date. 2  Find out your health history. 3  Explore the medical history of family members.
Below are 7 questions you should ask during your first prenatal visit: What you weigh before pregnancy will determine how much you should try to gain during pregnancy (or try to limit). Itâs a good question to ask right away so you know what you need to change in your diet to accommodate.