A nurse reads in a woman's chart that the fetus is in a longitudinal lie. What can the nurse conclude about this situation?
A.
The fetal head is flexed prior to delivery.
B.
The fetal head-to-tailbone axis is at a 90 ° angle to the woman's head-to-tailbone axis.
C.
The fetal head-to-tailbone axis is the same as the woman's head-to-tailbone axis.
D.
Vaginal birth will be very difficult.
ANS: C
The fetal lie is the relationship of the long axis of the woman to the long axis of the fetus. If the head-to-tailbone axis of the fetus is the same as the woman's, the fetus is in a longitudinal lie. This occurs in more than 99% of pregnancies. Flexion of the fetal head is related to fetal attitude. When the long axis of the fetus is at a 90 ° angle to the long axis of the woman, it is called a transverse lie; this occurs in fewer than 1% of pregnancies.
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