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.
Hourly Pay Rate and Salary. According to the Bureau of Labor Statistics, medical sonographers earned an average wage of $31.90 an hour in 2012. Half of all medical sonographers reported wages ranging from $26.09 to $36.97 an hour. The average salary of a diagnostic medical sonographer was $66,360 a year, and half of medical sonographers reported annual incomes of between $54,260 and $76,890. Figures collected by the Bureau of Labor Statistics indicate that the average rate of pay for medical sonographers varied significantly by state in 2012.