Hello Mary,
ALthough the symptoms you are experiencing are a sign of ovarian cance, your symptoms are also relate to many less life threatening medical conditions. I suggest making an appointment with your GYN if you have a family history of ovarian cancer. This will provide you with accurate diagnosis and perhaps provide peace of mind.
You may be experiencing IBS or gallbladder symptoms.
http://www.mayoclinic.com/health/gallstones/DS00165
http://www.mayoclinic.com/health/irritable-bowel-syndrome/DS00106
Here is some info that you may find useful.
http://www.mayoclinic.com/health/constipation/DS00063
http://www.mayoclinic.com/health/abdominal-pain/DG00013
http://www.mayoclinic.com/health/gas-and-gas-pains/DG00014
http://www.mayoclinic.com/health/ovarian-cancer/DS00293
http://www.mayoclinic.com/health/symptom-checker/DS00671
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