A woman whose uterus was perforated by a contraceptive device says she's traumatised by the experience.
An intra-uterine device - IUD - is a T-shaped plastic frame inserted into the uterus to prevent pregnancy for up to seven years.
Although rare, if implanted incorrectly it can push through muscle and perforate the uterus.
Te Whatu Ora last year rejigged a programme to train health professionals to safely insert IUDs.
Reporter Rayssa Almeida has more.