是200‰，一般都照千分之幾活產算

The infant mortality rate (IMR) is the number of deaths of infants under one year old per 1,000 live births. This rate is often used as an indicator of the level of health in a country. The infant mortality rate of the world is 49.4 according to the United Nations and 42.09 according to the CIA World Factbook.

所有跟帖： 

• WHO有過標準，1國的新生兒死亡率應當低於千分之3.。中國低於此限。中國的產科技術總體是世界1流的。 -大江川- ♂ (0 bytes) () 12/15/2015 postreply 17:14:07