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【单选题】
某女士,29岁,已婚,平素月经规律。此次因停经40天,不规则阴道出血7天,腹痛3小时,前来就诊。妇科检查:子宫略增大,右侧输卵管增粗,可触及一包块。阴道双合诊检查上台宫颈,患者疼痛难忍。正确的判断是:
A.
不规则阴道流血是先兆早产的典型症状
B.
异位妊娠典型的宫颈举痛症状
C.
子宫收缩导致腹痛
D.
输卵管炎症致输卵管增粗
E.
腹腔炎性包块
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