八个月胎儿头多大正常?
孕25周+1天(8个月),双顶径60mm,头围239mm,腹围221mm,股骨46mm 孕27周+1天(9个月),双顶径68mm,头围254mm,腹围236mm,股骨57mm 孕30周+1天(10个月),双顶径74mm,头围267mm,腹围246mm,股骨61mm 孕32周+1天(11个月),双顶径80mm,头围279mm,腹围258mm,股骨66mm 孕33周+1天(11个半月),双顶径82mm,头围285mm,腹围262mm,股骨68mm
孕35周+1天(12个月),双顶径84mm,头围293mm,腹围271mm,股骨73mm 孕37周+1天(13个月),双顶径86mm,头围298mm,腹围279mm,股骨75mm 孕38周+1天(14个月),双顶径88mm,头围304mm,腹围286mm,股骨77mm 孕39周+1天(15个月),双顶径90mm,头围308mm,腹围292mm,股骨80mm