Episiotomy is done as prophylaxis against soft-tissue tearing which would involve the anal sphincter and rectum. Vaginal tears can occur during childbirth, most often at the vaginal opening as the baby's head passes through, especially if the baby descends quickly.February 2009). An episiotomy (/ÉËpiËziËËÉtÉmiË/ or /ÉËpÉsaÉªËÉtÉmiË/), also known as perineotomy, is a surgical incision of the perineum and the posterior vaginal wall generally done by a midwife or obstetrician during second stage of labor to quickly enlarge the opening for the baby to pass through.
The Nimitz-class are the largest warships currently in service. The class comprises ten supercarrier. The largest warships are in service with the US Navy. The class' lead ship, USS Nimitz, was commissioned on May 3, 1975. The name is given after Fleet Admiral Chester W. Nimitz. He is the last fleet admiral of the United States Navy. The last vessel from the largest warships class is USS George H.W. Bush, commissioned on January 10, 2009.
She was the world's first nuclear-powered aircraft carrier and the eighth United States naval vessel to bear the name. Like her predecessor of World War II fame, she is nicknamed Big E. At 1,123 ft (342 m), she is the longest naval vessel in the world, a record which still stands.