In my memories : Be strong, once hb cannot detect means no hope anymore. Get over it(its difficult, I know) and get ready for the next game.You will be surprised !
teetee : Progesterone is needed to support a pregnancy. But if your HCG is dropping, additional progesterone will not help.
Ng Yen Ling : Both natural and d&c can be clean method of termination. But of course, without going through op is better. Actually, for confinement, its up to you. I myself never did any for my m/cs but still no probs conceiving again. Depends on how your body feel, if you feel weak, then maybe good to eat some 'bu'.