双头畸胎在爬行动物中很常见，尤其是英国草蛇，这种蛇把卵产在堆肥堆里，肥料里面正在腐烂的物质产生热量。
Dicephalus is common in reptiles and particularly in British grass snakes, who lay their eggs inside compost heaps where decomposing matter produces heat.
记得分娩时，孩子的双顶径为103，为防止意外，我选择了剖腹产。
Remember the birth, the baby's biparietal diameter of 103, in order to prevent accidents, I chose the C-section.
目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
Objective: To explore the relationship between cerebral palsy and the parity, birth weight in twins.
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