A mother filed a complaint against a Swedish hospital after doctors failed to notice her uterus burst during labor and part of her unborn baby was inside her abdominal cavity.

The Swedish National Board also criticized Skane university hospital in southern Sweden for failing to report the incident because it classed the rupture as a medical complication, Sydsvenskan newspaper reported.

The newborn baby suffered oxygen deficiency and needed emergency treatment to avoid brain damage. The child is now "recovering satisfactorily," the board said.

Doctors at the hospital induced the woman -- who was not named -- after scans showed the baby was large. She already had two children, one born normally and another by planned Caesarian.

But nine hours later she complained of a "weird" feeling in her stomach, and the baby's heartbeat began to slow.

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An emergency Caesarian was carried out and doctors found the woman's placenta was partially detached and the child's arm, shoulder and umbilical cord was inside her abdominal cavity.

Eva Ranklev Twetman, chief doctor at Skane University, said they considered the incident a medical complication. She added a review of medical procedures was taking place.