Rashin Haihuwa
Rashin haihuwa shine rashin iyawar mutum, dabba ko tsiro don haifuwa ta hanyar halitta. Yawanci ba yanayin lafiya bane ga wanda ya   balaga, sai dai musamman tsakanin wasu nau'ikan eusocial (mafi yawa haplodiploid kwari). Y yanayine al'ada na ɗan adam ko wasu 'ya'ya masu tasowa, saboda ba su yi  balaga ba, wanda shine farkon mataki na iya haifuwa .

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