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.
The earlier the ultrasound is done, the more accurate it is at estimating the baby's due date. Ultrasounds performed during the first 12 weeks of pregnancy are generally within 3 - 5 days of accuracy. The most accurate time is between 8 and 11 weeks gestation.