核心提示:两个半月的宝宝脱发是怎么回事-头发,脱发,毛囊,宝宝,脱落,毛发,妈妈,个月,摩擦,刚出生,生理,减少,弥漫性,二十 两个半月的宝宝脱发是怎么回事？这正常吗？我家宝宝现在两个半月，近两周脱发明显，枕秃不在话下，现在是全头散在脱发，每天洗头掉头发可见有二十多根，是什么问题呢？
宝宝出生后大部分头发毛囊在数天内由成长期迅速化为休止期，很多头发会脱落。这属于正常生理性脱发，医学上称为新生儿生理性脱发。
另外，小宝宝毛囊发育不完善，毛发的发根还不能很牢固地附着于皮肤内。并且，宝宝新陈代谢旺盛，出汗多再加上长时间躺着，枕部由于经常受到压迫和摩擦使毛发脱落更明显。宝宝脱发的特点是刚出生时头发是浓密黝黑，但是慢慢地妈妈会发现宝宝头发变黄了，发质也没有刚出生的时候好，到4-5个月时出现弥漫性脱落，妈妈们不免有些担心。其实，妈妈们不要着急，正常情况下人每天都要掉20~100根头发。这种脱发不需要治疗，一般经过6～12周后，小宝宝的头发毛囊会重新形成毛球，并会重新长出新头发。
另外，宝宝6个月以后，能够坐起来，减少后脑勺与枕头的摩擦，就会减少脱发。1岁以后毛囊发育逐渐完善，脱发的现象也会逐渐缓解。2岁左右头发就完全长好了。
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