1. IUDs and transmigration – putting an old concern to rest;Singh, M.;IPPF Med Bull,1995
2. Uterine perforation on intrauterine device insertion: is the incidence higher than previously reported?;Harrison-Woolrych, M.; Ashton, J.; Coulter, D.;Contraception,2003
3. Health and Clinical Excellence (NICE). Long-acting Reversible Contraception (Clinical Guideline 30);National Institute for,2005
4. Perforation of the uterus following IUD insertion in the puerperium;Kiilholma, P.; Makinen, J.; Maenpaa, J.;Adv Contracept,1990
5. World Health Organization (WHO). Medical Eligibility Criteria for Contraceptive Use,2000