Help with a problem after sex...?

My girlfriend and I recently have sex for the first time. It was both our first times, so we are inexperienced. She have been describing me of pain contained by her vaginal area since the hours of darkness we did it, and she has said that near were small amounts of blood within her urine. I'm completely clueless as to what is going on, as is she, so I would like to know if anyone her would enjoy some input. Any answer would be great. I'm just horrible worried more or less her, and I don't want her to be in stomach-ache. Thank you to everyone who answers.
Answers:

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Depending on the size of your penis and how tight she be I can see it hurting for awhile. After my first time I had to dawdle a week because it was sore. I wouldn't be to worried around it. She just requests to rest and save any fooling around until she's completely heal or it will get worse.

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It is normal for her to enjoy some pain and bleeding after have sex for the first time. It should not last for more than a couple of days. If it have been going on longer she should go to her doctor.

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what you describe sounds like she is pregnant ,, congratulations you are in the order of to become a father