Stress can bring a menstrual cycle on early so this may very well be the cause in this case if you are stressed over this incident and I am sure that you are. The only way to know if this is your menstrual cycle or something else would be to have a pelvic examination performed in case that you have had an injury that you are not aware about during the accident. If you are not having abdominal pains more so then you experience with your menstrual cycle if you have cramping then most likely it is your menstrual cycle and it is due to hormonal change, stress, or possible medication if you were given any after the accident.
*Cheryl K* Please click the
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