before one month ago doctor told me i am pregnant...

What is the medical protocol of the case of miscarriage?
It depends on the nature of the condition, but in general treatment options include:
first option : observation and wait until A spontaneous abortion of pregnancy  happen (and later the uterus is cleared by minor surgery called  Dilation and curettage)
second option : stimulation of pregnancy abortion by oral or injectable drug therapy
third option : Surgury
Complications of miscarriage:
1. Heavy bleeding
2. Headache
3. Nausea
4. Hormonal imbalance
5. Psychological imbalance
6. Inflammation of the cervix
how long should you take recovery after abortion or miscarrage ?
at least 6 months