Jones R W
N Z Med J. 1975 Aug 13;82(545):85-7.
A modern second generation intrauterine device, the Dalkon Shield has been assessed at the National Women's Hospital. The markedly low expulsion rate represents a real advance in intrauterine contraception. Pregnancy rates are comparable with other modern devices. Patient acceptability is higher than with earlier devices.
达康盾是一种现代第二代宫内节育器,已在国家妇女医院进行了评估。其极低的脱落率代表了宫内避孕技术的真正进步。妊娠率与其他现代节育器相当。患者接受度高于早期的节育器。