If medically done take folic acid 2 months prior and also depends on the cause of miscarriage

Generally, depending on the duration of pregnancy during pregnancy loss, there is quite an amount of blood loss during a miscarriage and the following period maybe delayed. Ideally wait for 2-3 months after a miscarriage. Continue to take folic acid during this time. You can do a urine pregnancy test on the day of missed periods, if positive you can do an online consultation with your doctor for next steps.

You can try immediately if mentally and physically fit.immediately after missing you can check