After miscarriage for my wife on January 2015 my doctor

Patient: After miscarriage for my wife on January 2015 my doctor given Folic acid and Duphaston and asked to try after 2 months.Now I am planning for a kid but the problem is My wife is getting lower ab-domain pain and leg is swollen after 6 days of period.Please let me know how to react ? is it something serious ?

Doctor: