yī / shēng / jiàn / yì / bèi / yùn / nǚ / xìng / bǔ / chōng / yè / suān / yǐ / jiàng / dī / tāi / ér / chū / xiàn / chū / shēng / quē / xiàn / de / fēng / xiǎn

医生建议备孕女性补充叶酸，以降低胎儿出现出生缺陷的风险。

Doctors recommend that women preparing for pregnancy take folic acid to reduce the risk of birth defects.