Pregnancy-related deaths are rising in the United States and the main risk factor is being black, according to new reports that highlight racial disparities in care during and after childbirth.
Black women, along with Native Americans and Alaska natives, are three times more likely to die before, during or after having a baby, and more than half of these deaths are preventable, Tuesday’s report from the Centers for Disease Control and Prevention concludes.
Although these deaths are rare — about 700 a year — they have been rising for decades.
“An American mom today is 50% more likely to die in childbirth than her own mother was,” said Dr. Neel Shah, a Harvard Medical School obstetrician.
Separately, the American College of Obstetricians and Gynecologists released new guidelines saying being black is the greatest risk factor for these deaths. The guidelines say women should have a comprehensive heart-risk evaluation 12 weeks after delivery, but up to 40% of women don’t return for that visit and payment issues may be one reason.
Bleeding and infections used to cause most pregnancy-related deaths, but heart-related problems do now.
“Pregnancy is really a stress test” because of the extra blood the heart is moving for mom and child, said the head of the guidelines panel, Dr. James Martin. That can reveal previously unknown problems or lead to new ones.
The CDC report found that about one third of maternal deaths happened during pregnancy, a third were during or within a week of birth, and the rest were up to a year later.
Globally, maternal mortality fell about 44% between 1990 and 2015, according to the World Health Organization. But the U.S. is out of step: Moms die in about 17 out of every 100,000 U.S. births each year, up from 12 per 100,000 a quarter century ago.
Possible factors include the high C-section rates in the U.S. and soaring rates of obesity, which raises the risk of heart disease, diabetes and other complications.
Black women in the U.S. are about three times as likely to die from a pregnancy-related cause as others, partly because of racial bias they may experience in getting care and doctors not recognizing risk factors such as high blood pressure, said Dr. Lisa Hollier, the obstetrician group’s president.
The CDC looked at about 3,000 pregnancy-related deaths from 2011 through 2015, using death certificates. Researchers also looked at more intensive investigations of about 250 deaths done in 13 states.
The latter review determined that 60% of deaths were preventable. Often, three or four problems contributed to a death, ranging from doctors’ mistakes to the difficulty some women had getting housing and healthy food.