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.
Among cardiac pediatric sonographers, 43.4 percent earned $80,000 or more, with 27.3 percent in the next-highest range. The remaining specialties in the top five were cardiac fetal sonography at 37.2 percent and 25.5 percent respectively, vascular sonography at 33.4 percent and 24.1 percent, and adult cardiac at 33.2 percent and 25.9 percent.