A girl ?

I wanted to ask you girls a ? I have been feeling sick for the last few weeks. And I missed my period last month. After exercising last night I had some bleeding.Is it normal to have bleeding at the beginning of a pregnancy? Because im not sure if its pregnancy or just my period starting.

02
    02/06/15
    Try not to do to vigorous exercise, it could be implantation bleeding.
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    About Tiffany Harmon
    Current: Bullhead City, Arizona
    Birth: May 24
    On Moms.com since: Jan 3, 2014
    I am a christian stay at home mom. My husband and I have been married for almost 3 years now. And on 11/07/2013 we had are first baby.