Johannesburg ? More than 2 million babies and mothers die worldwide each year from childbirth complications, outnumbering child deaths from malaria and HIV/AIDS, according to a study.

The study, released Tuesday at the International Federation of Gynecology and Obstetrics world congress being held in Cape Town, also showed that such deaths could be easily avoided.

“The world will continue to miss the unheard cry of the 230 babies who die every hour from childbirth complications,” unless there is better planning and implementation of policies, according to the study.

Some 1.02 million babies are stillborn and another 904,000 die soon after birth. By comparison, 820,000 children die from malaria and 208,000 die from HIV/AIDS worldwide.

About 42 percent of the world’s 536,000 maternal deaths also occur during childbirth, according to the study. Deaths in Africa and South Asia account for three-quarters of the maternal and infant deaths.

The research was led by Save the Children, the Gates Foundation and Johns Hopkins University with investigators from a dozen countries. It was published in the October edition of the federation’s journal.

“The huge numbers hide multiple personal stories of loss,” said Joy Lawn, who runs Save the Children’s Saving Newborn Lives campaign. “Each death is a tragedy to a family — actually a double tragedy since almost all these deaths could be prevented.”

The report said that many of the deaths could be avoided with improvements in basic health care, and training for local health care workers to perform emergency cesarean sections and other lifesaving techniques.

Lawn said she hoped that the study would be used by countries to ensure money was invested where it was needed.

Poverty is one of the main causes of these deaths. In wealthier countries, most women give birth with a skilled attendant, while in poor countries, few women do.