有关产后出血的定义是
发布时间：2020/4/26 21:13:00
A、产程中阴道的流血量≥500ml
B、胎儿娩出后24h内阴道流血量≥500ml
C、胎儿娩出后2d内阴道流血量≥500ml
D、胎儿娩出后7d内阴道流血量≥500ml
E、产褥期有一次阴道流血量≥500ml
B、胎儿娩出后24h内阴道流血量≥500ml
C、胎儿娩出后2d内阴道流血量≥500ml
D、胎儿娩出后7d内阴道流血量≥500ml
E、产褥期有一次阴道流血量≥500ml
答案：B