美国医生的水平也不咋地？
http://www.npr.org/2017/05/12/527806002/focus-on-infants-during-childbirth-leaves-u-s-moms-in-danger
American women are more than three times as likely as Canadian women to die in the maternal period (definedby the Centers for Disease Control as the start of pregnancy to one year after delivery or termination), six times as likely to die as Scandinavians. In every other wealthy country, and many less affluent ones, maternal mortality rates have been falling; in Great Britain, the journal Lancet recently noted, the rate has declined so dramatically that "a man is more likely to die while his partner is pregnant than she is." But in the U.S., maternal deaths increased from 2000 to 2014. In a recent analysis by the CDC Foundation, nearly 60 percent of such deaths are preventable.
