单词 | contragestive |
释义 | contragestiveenUKcon·tra·ges·tiveC0606750 (kŏn′trə-jĕs′tĭv)contragestive(ˌkɒntrəˈdʒɛstɪv) medcontragestiveenUKcontragestive(kŏn′trə-jĕs′tĭv)contragestiveadjective Referring to an agent or action which prevents gestation—e.g., by preventing implantation of a fertilised egg.noun An agent (technically an abortifacient—e.g., RU-486) which blocks progesterone receptors in the endometrium. Without progesterone, the uterus cannot sustain pregnancy, precluding successful gestation. |
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