"normal or accelerated growth of the lower extremities due to an imbalance in the interfetal circulation."
Expected headings
"Subtypes"
"Associations"
"Doppler assessment"
"Complications"
"Acardiac twinning is thought to affect 1 in 100 monozygotic twin pregnancies and 1 in 35,000 pregnancies overall 2,3. There is no recognised familial recurrence."
"There are two schools of thought in the pathogenesis of acardiac twins:"
"there is an absence of the head and upper torso and limbs in the acardiac twin with preservation of the lower limbs, genitalia and abdominal viscera"
"rudimentary cranial structures present with otherwise persistent trunk, limbs and organs"
"comprises of an amorphous mass of bone, muscle, fat and connective tissue"