About 40% of twins fused at the head are stillborn or die during labour and a third die within 24 hours.
BBC: Conjoined twins separated by Great Ormond Street doctors
Conjoined twins are very rare - only one in every 2.5 million births - and only 5% of conjoined twins are craniopagus, which means they are fused at the head.
应用推荐
模块上移
模块下移
不移动