Practice Quiz

Doula

Category - Labor & Birth

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The difference between anterior position and posterior position is BEST described as:
  1. The baby's bottom is the presenting part (closest to the cervical opening) in the anterior position, while the baby's head is presenting in the posterior position.
  2. The baby is facing the back of the mother's pelvis in the anterior position, and front of her pelvis in the posterior position.
  3. The baby is facing the front of the mother's pelvis in the anterior position, and back of her pelvis in the posterior position.
  4. The baby's head is the presenting part (closest to the cervical opening) in the anterior position, while the baby's bottom is presenting in the posterior position.
Explanation
Answer: B - A baby can take many positions in utero and the different presentations are described using the baby in relation to the pelvis. Occiput anterior position means a baby in the vertex presentation (head down) and is facing mother's back. Occiput posterior position is still vertex presentation, but with the baby facing mom's front. In this position, the large back of baby's head (occiput) may put added pressure on a mother's lower back, causing painful "back labor." When the baby's head is the presenting part, it is termed vertex presentation. When the baby's bottom is the presenting part, it is termed breech presentation.
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