The light bleeding and vaginal itching could likely be attributed to a post-D&C infection. I would recommend you go for a gynecological examination and treatment. 

I would not recommend taking any pill to bring on periods without first consulting with a gynecologist. Irregular periods may signal other health complications, and without proper assessment taking medication can only make things worse. 

Period ache is the usual case in women and can differ by intensity. When you have severe bleeding above average and pain during your menstruation, see a gynecologist. 

In this case, you should see a fertility specialist who would diagnose and treat the problem. There is a possibility that your reproductive system was damaged by past cases of PID which caused infertility.

These symptoms show that there is a possiblity for gastroparesis. It is recommended to see a gastroenterologist for additional diagnostics and treatment.

you should visit an orthopedic specialist for your knee and back pain. For the moment, pain-relieving methods such as gentle exercises might bring some relief including stretching and hot/cold therapy. 

It should not just be administered to children without consulting with a pediatrician. Melatonin can have some side effects, and the recommended dosage changes according to age, weight of a child, or their sleep problems. The best way to proceed would be to see a pediatrician.

This can indicate postoperative complications and should be assessed immediately by a qualified physician. That said, I suggest that you make an appointment with a gastroenterologist to treat any liver and biliary problems.

This might be an indication of ineffectual abortion and should be assessed by a gynecologist. I suggest going to a gynecologist specialist as soon as possible for medical attention and appropriate care.

Yes, it's necessary to destroy any remaining thyroid tissue or cancer cells and to monitor the effectiveness of treatment.

Trauma can potentially trigger or exacerbate rheumatoid arthritis. By increasing inflammation or immune system response.

This happens becuse of added stress and health concerns.
 

If yellowing of eyes, dark urine, pale stool seen, get your SGPT and SGOT tests done

It happens rarely. May occur with long-term use.

It could be 2-4 weeks.