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MISSING PERIOD followed by BLEEDING can have multiple causes.. IMPLANTATION BLEEDING occurs before a MISSED PERIOD.. NEGATIVE PREGNANCY TEST indicates it may not be IMPLANTATION BLEEDING.. Consult a DOCTOR for further evaluation of the CAUSE.

Having fibroids does not mean that a you cannot get pregnant, as many women with fibroids are able to conceive and have successful pregnancies. But fibroids can sometimes interfere with pregnancy if they are located in certain areas of the uterus or if they are very large. Only if the fibriods are causing certain symptoms then surgery to remove the fibroids is recommended.

I urge that any medication to terminate pregnancy should never be used without consulting a doctor. The misuse of the kit can cause discomfort and should be used only as prescribed. Missing periods after use of the kit could be a sign of some other problem. A gynecologist recommended for a full examination and clear advice on what to do next.
 

A CA 125 level of 35.10 is within the normal reference range for most laboratories, as the normal range can vary slightly depending on the testing facility. Generally a value below 35 U/mL is considered normal. 
CA 125 is a protein marker that can be measured in the blood. It's primarily used as a tumor marker for ovarian cancer but it can also be elevated in certain other conditions.

One extremely important thing to do is to investigate the possible reasons for your periods' absence. Weight gain and feeling thirsty might indicate struggling with various issues, such as chemical imbalances or thyroid problems. There are multiple other excuses for your feelings. I hope you will go to a doctor to check what's what and get the right treatment.