tāi ér / zài / tōng guò / chǎn dào / shí / kě néng / huì / yīn wèi / shòu dào / jǐ yā / ér / gǎi biàn / tóu xíng胎儿在通过产道时,可能会因为受到挤压而改变头型。When passing through the birth canal, the fetus may change the shape of its head due to compression.