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Many Pregnancy-Related Maternal Deaths Occur Months After Delivery: CDC
  • Posted May 7, 2019

Many Pregnancy-Related Maternal Deaths Occur Months After Delivery: CDC

TUESDAY, May 7, 2019 (HealthDay News) -- Too many women still die from pregnancy-related causes, some up to a year after delivery, according to a new report from the U.S. Centers for Disease Control and Prevention.

About 700 pregnancy-related deaths occur in the United States each year, and 3 out of 5 are preventable, data show.

Nearly 31% of the deaths happen during pregnancy, and another 36% occur during delivery or the week after.

But a full third of deaths happen up to a year after a woman gives birth, the CDC found.

"These are women in their prime who leave loved ones behind often stunned at what has happened," CDC Principal Deputy Director Dr. Anne Schuchat said at a media briefing.

For the study, the CDC analyzed national data on pregnancy-related deaths between 2011 and 2015, and more detailed data from 13 states gathered between 2013 and 2017.

The CDC defines pregnancy-related death as one occurring within a year of the pregnancy's end. The cause could be a related complication, a chain of events initiated by pregnancy, or the aggravation of an unrelated medical condition by pregnancy.

Heart disease and stroke caused about 1 in 3 deaths, researchers found. Other leading causes included infections and severe blood loss.

"Our new analysis underscores the need for access to quality services, risk awareness and early diagnosis, but it also highlights opportunities for preventing future pregnancy-related deaths," said Dr. Wanda Barfield, director of the Division of Reproductive Health in CDC's National Center for Chronic Disease Prevention and Health Promotion.

"By identifying and promptly responding to warning signs not just during pregnancy, but even up to a year after delivery, we can save lives," Barfield said in an agency news release.

The cause of death generally depends on timing, the CDC noted:

  • Obstetric emergencies such as severe bleeding caused most deaths during delivery.
  • In the week after delivery, new mothers were more likely to die from high blood pressure, infection and severe blood loss.
  • A weakened heart muscle (cardiomyopathy) caused most deaths up to a year after delivery.

These deaths were associated with several factors related to prenatal care, CDC said.

In some cases, women died because they lacked access to good health care, resulting in delayed or missed diagnoses of crucial medical problems. Women and their health care providers also appeared to lack knowledge about the warning signs of a troubled pregnancy, according to the report.

Serious racial disparities also exist. Black and American Indian/Alaska Native women were about three times as likely to die from a pregnancy-related cause as white women.

CDC officials said the data suggest that the majority of deaths, regardless of when they occurred, could have been prevented by tackling these key problems:

  • Providers can better help patients manage chronic conditions and teach them warning signs.
  • Hospitals and health systems can coordinate efforts between providers and support efforts to improve care during and after pregnancy.
  • States and communities can develop policies that improve access to care and ensure that women at high risk can give birth at hospitals with special training and equipment for troubled pregnancies.

"Making some of these improvements will not be easy. It could require reworking systems that have been in place for years," Schuchat said. "The good news, though, is that there are already systematic approaches being developed and implemented in many areas around the country that can be used as a model to support improvements to save the lives of women."

Dr. Megan Gray, an obstetrician-gynecologist at Orlando Health Winnie Palmer Hospital for Women and Babies in Florida, said obstetricians and nurse-midwives have work to do.

"It is crucial that hypertensive disorders during and after pregnancy, infections, sepsis, hemorrhage and cardiomyopathy be recognized early and promptly managed," she said. "This includes educating patients about early warning signs and providing pregnant women with access to quality care."

Gray said women should be seen sooner and more often after pregnancy than the standard six weeks after delivery, so that complications can be detected and addressed.

CDC Director Dr. Robert Redfield said ensuring quality care for mothers during and after pregnancy should be among the nation's top priorities.

"I urge the public health community to increase awareness with all expectant and new mothers about the signs of serious pregnancy complications and the need for preventative care that can and does save lives," Redfield said in the release.

The study appears in the CDC's Morbidity and Mortality Weekly Report.

More information

The U.S. Office on Women's Health has more about pregnancy complications.

SOURCES: U.S. Centers for Disease Control and Prevention, media briefing and news release, May 7, 2019; Megan Gray, M.D., Orlando Health Winnie Palmer Hospital for Women and Babies, Orlando, Fla.
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