If your amniotic membrane ruptures -- or your water breaks -- the contractions may get much stronger. When the cervix dilates from 8 to 10 centimeters (called the Transition Phase), contractions are 2 to 3 minutes apart and last about 1 minute.his part of labor (called the Latent Phase) is best experienced in the comfort of your home. When the cervix dilates from 4 to 8 centimeters (called the Active Phase), contractions get stronger and are about 3 minutes apart, lasting about 45 seconds.
Cardiac sonographer salary. Cardiac sonographerâs salary is around $50,000 in the United States, but this significantly gets higher as he stays longer in the work. Indeed, a cardiac sonographer employed for more than 1 year can expect from $30,545 â $65,952.
Most sonographers enter the field through an accredited two-year educational program at a college, community college or training hospital. These provide a grounding in the basic sciences, as well as course work focusing on human anatomy and physiology, and the interpretation of ultrasound images. 2010 salary survey by the American Society of Radiologic Technologists returned similar numbers, showing an average salary of $68,821 per year. The BLS projects a 44 percent increase in demand for sonographers between 2010 and 2020, much higher than the average for all occupations.