This is a malposition of the fetus at labour. It involves the face being placed close to pubis rather than the occiput as in occipito-anterior position which is normal.
Causes

  • Pendulous abdomen

  • Android pelvic brim

  • Anthropoid pelvic brim

  • Fat sacrum

  • Anterior placenta

  • Presence of a large left pelvic (sigmoid) colon

Diagnosis

  • Palpation reveals fetal back on the side

  • Limbs are in front on palpation

  • Vaginal examination reveals anterior fontanelle at the anterior aspect of pelvis.

 

 

 



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