Yīshēng shuō tā xūyào wòchuáng xiūxi, bìmiǎn liúchǎn.
The doctor said she needs bed rest to avoid a miscarriage.
Tips
usage
流产 has two distinct uses: medical (miscarriage) and figurative (a plan/project failing). For an intentional abortion, the term is 人工流产 (réngōng liúchǎn, 'artificial miscarriage') or colloquially 打胎 (dǎtāi).