| 摘要 |
The present invention relates to the use of collagenase and/or one more substances which stimulate the production of naturally occurring collagenase in the cervix to induce labor in a female mammal, and in particular a female human or to terminate pregnancy in such a female mammal. The substances which stimulate the production of naturally occurring collagenase include Interleukin 1 beta, Interleukin 2, Interleukin 6, Interleukin 8 and tumor necrosis factor.
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