Yes the cohosh is great - accupuncture could work. If you have no signs of infection I wuldn't be overly worried. Just like after delivering at term you wll slowly release the rest... Did it look like the membranes were intact or was it difficult to tell?
Do the cohosh - it does work well. Homeopathics can help with staving off infection and encouraging expulsion. I can't remember what the homeopathy is tho... I will think and if I remember will text you...

Some really warm compresses on your womb area. Visualise your womb emptying... Write some affirmations that "I am letting go now of this pregnancy"... Or others that might resonate with you.

If all of this fails then yes a currettage is another option.

Holding your hand.