I JUST HAD A D AND C ON JULY 28, 2012, MY QUESTION NOW IS THAT, WHEN AM I LIKELY TO HAVE MY PERIOD BACK, MY DOC PLACED ME ON PRIMOLUT AND ERGOT, WANTS TO KNOW THE FUNCTION, AND ALSO THE FUNCTION OF FOLIC ACID AND IRON. AND WHAT CAN I DO TO PREVENT FURTHER MISCARRIAGE IN THE FUTURE.