Yīshēng / jiànyì / tāmen / xiān / zuò / qīnzǐ / jiàndìng / zài / bànlǐ / hùkǒu / dēngjì

医生建议他们先做亲子鉴定，再办理户口登记。

The doctor suggested that they get a paternity test before registering the household.