Fetuses undergoing in utero aortic valvuloplasty with an unfavorable multivariable threshold score at the time of intervention are very unlikely to achieve a biventricular circulation postnatally.

• 在子宫中行主动脉瓣成形术时使用价值有限的多变量阈值评分后，胎儿出生后极不可能出现双心室循环。