Emergency medicine for pregnant women should be treated basically as same as non-pregnant women but there are many characteristic change to be considered. Some of the pregnancy-related diseases may bring them critical condition. Massive postpartum hemorrhage is one of the most important and life-threatening events for them and so are stroke and thromboembolism. Multidisciplinary practice is indispensable for taking good care of the pregnant women in emergent situation. Every person who may take part in emergency medicine should understand the protocol and wide area medical care cooperation should be maintained.