祖父与孙子的亲缘系数为() ["A．1","B．1/2","C．1/4","D．1/8","E．1/16"]
父子的亲缘系数为() ["A．1","B．1/2","C．1/3","D．1/4","E．1/8"]
抗维生素D型维生素D缺乏症
创伤性骨关节病
初产妇，28岁，孕41周，因胎动减少入院，查体：宫度33cm，LOA，先露入盆，胎心130次/分，无宫缩，入院后测24小时尿E为6mg。应考虑为() ["A．胎盘功能不全","B．胎儿受压","C．过期妊娠","D．妊娠高血压疾病","E．胎儿先天性畸形"]
重叠移位
