I'm extremely sorry to hear about ur loss! You and ur hubby r in my prayers!!
I am so sorry, you have gone through every woman's worst nightmare. Please take your doctor's advice about when to try again. If he says six months, simply explain that you don't think you will be able to bear that wait, and say that since you probably won't obey him, will he please tell you a date that is the absolute soonest it would be medically safe? Do not try anything ridiculous like four weeks, your body will not be able to support a pregnancy correctly. But ask him, what about after three totally normal periods? Most doctors would really be hard-pressed to defend waiting after three normal periods. In any case, part of this call will be your body's. You will bleed a while as your body is getting well from the delivery. You need to be certain you are having actual periods and not just residual bleeding. Your body might make the timing choice for you by causing you to wait several months while it normalizes.