### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
4 days ago I experienced some brown spotting just when I wipe which lasted 2 days then the yesterday and today a lot of milky discharge kinda like liquid and the past 3 days I ve also had a problem with cramping and back pain nausea or a sour feeling with everything I eat... I discontinued the bc pill over a month ago and me and my bf have unprotected sex often before I started the pill I was on the depo for 3 months in which I was suppose to get again on the 8th of December but had a problem with bleeding so I refused... I haven t had a normal period since starting the depo but bled from beginning of November until mid January and never had a problem with cramping took a hpt and it came back negative could I be pregnant????? HEELLLLPPPPP!!!

### output:

Hi, welcome to our site. I am Chat Doctor, MD. Read your query. That is a very significant question and I appreciate your problem. I will try my best to answer your query think you really need to meet a good gynecologist. All your symptoms-the spotting, the backache,- all can be explained by the possibility of some gynecological problem. Now it would be inappropriate to comment on what kind of gynecological disorder can be causing this, But I think an examination and an ultrasound may be able to give some information hope this helps you. Inform the reports mentioned above/if any other, so I can be of help further. I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you. Please do understand that some details could be extracted from a detailed history and examination. Please feel free to ask another query. I would be glad to help you. Looking forward to your return query with the details asked so that I can help you further. (If the answer has helped you, please indicate this)Best of luck.