I am RH-, I have antinuclear antibodies (non-lupus) and an unicornuate uterus. I have been on baby aspirin, folic acid, progesterone (Crinone), Heparin, Lovenox
, Rhogam, and of course Pre-natal Vitamins. All of my miscarriages have been 1st trimester and have happened over the course of 7 years. The average duration has been 7 weeks but I have had two last 10 weeks.