yī / shēng / jiàn / yì / yù / líng / qī / fū / qī / tí / qián / liǎo / jiě / yùn / qián / bǎo / jiàn / zhī / shí

医生建议育龄期夫妻提前了解孕前保健知识。

The doctor recommended that couples of childbearing age learn about preconception care in advance.