A Toolkit for Federal Agencies on Implementing Executive Order 13548. Receive an overview of federal disability hiring practices from the U.S. Office of Personnel Management. Learn the basics of the Schedule A hiring process. A Schedule A Letter is proof of disability and certification of job readiness.
1 This ultrasound can routinely detect a heartbeat in your baby as early as 6-7 weeks. 2  Confirming the correct dates of your pregnancy. 3  Some women are uncertain of their last menstrual period (LMP) or have irregular menstrual cycles, making it difficult for their doctor to correctly estimate when the baby is due.
Your doctor may order an ultrasound scan at any time during your pregnancy. The most common time to have one is between the 16th and 20th week of pregnancy. But you may have an ultrasound earlier in your pregnancy to help determine your due date or check for problems with the baby's development.