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.
Annual salaries for diagnostic medical sonographers vary based on such factors as geographic location and type of employment. The average annual salary for diagnostic medical sonographers was $65,800 as of May 2011, according to the Bureau of Labor Statistics. The top 10 percent of the occupation earned at least $90,640 per year, while the bottom 10 percent earned annual wages of $44,950.