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.
In May 2012, the median annual wage for diagnostic medical sonographers was $65,860. The median annual wage for cardiovascular technologists and technicians, including vascular technologists, was $52,070 in May 2012.ob Outlook. Employment of diagnostic medical sonographers and cardiovascular technologists and technicians, including vascular technologists is projected to grow 39 percent from 2012 to 2022, much faster than the average for all occupations.