Conjoined Fetus Lady Pip, tired of being bullied, hits Kyle with a ball during dodgeball, giving him a nose bleed. Kyle is sent to Nurse Gollum, only to discover that she has a dead fetus attached to her head, due to a condition called conjoined twin myslexia. Kyle tells the others and they react in disgust, making fun of her. Kyle's mother, Sheila, attempts to educate the boys on Nurse Gollum's condition, but is confronted by an irate Sharon Marsh. Sheila, in order to remedy the unawareness apparent in people of conjoined twin myslexia, decides to help the woman, and winds up causing
Monochorionic twins Monochorionic twins Monochorionic twins are monozygotic (identical) twins that share the same placenta. If the placenta is shared by more than two twins (see multiple birth), these are monochorionic multiples. Monochorionic twins occur in 0.3% of all pregnancies. 75% of monozygotic twin pregnancies are monochorionic; the remaining 25% are "dichorionic diamniotic". If the placenta divides, this takes place after the third day after fertilization. Monochorionic twins generally have two amniotic sacs (called Monochorionic-Diamniotic "MoDi"), but sometimes, in the case of monoamniotic twins (Monochorionic-Monoamniotic "MoMo"), they also share the same amniotic sac. Monoamniotic twins occur when the split takes place after