which of the following is done to determine the progress of descent of head through the pelvis during labour
Answers
Vaginal examination to measure fetal descent. ( A ) Lateral view of the pelvis. In vaginal examination, the physician touches the lateral ischial spine with the index finger-tip and places the upper edge of the index finger close to the lower edge of the pubic symphysis. Then, the bent middle finger can feel the leading portion of the fetal head. If the fetal head is floating, this bent middle finger cannot touch the fetal head. However, depending on the leading portion descending into the pelvic cavity, it can be touched by the bent middle finger. Consequently, the t-station can be recognized by measuring the distances between the upper edge of the index finger and the upper edge of the bent middle finger. For this, the physician needs to know the breadth of each finger at the distal or proximal interphalangeal joint and at the metacarpophalangeal joint as well as the length of the maximum space between the index and middle fingers. This definition of the t-station is expected to be especially useful for instrumental delivery because of an objectively measurable station, being more objective and accurate than the DeLee’s station. ( B ) Cephalad view of the pelvis. It was possible to measure and estimate the t-station in centimeters, according to the length of the maximum space between the index and middle fingers.
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