yī shēng / jiàn yì / tā / tí qián / sān / gè / yuè / bǔ chōng / yè suān / bāng zhù / shòu yùn

医生建议她提前三个月补充叶酸，帮助受孕。

The doctor advised her to take folic acid supplements three months in advance to help with conception.