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    Occurence of Periods in Women

    The whole process of periods and the reason behind it is shown in this video.Ovaries produces hormones which change lining of uterus. Each month lining of uterus falls with some blood.

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    Channels: Medical

    Tags: Why periods occur in women

    Uploaded by: ( Send Message ) on 10-02-2013.

    Duration: 1m 41s