I lost my baby 3 weeks ago. Hcg was decreasing pretty fast. Took preg about a week after misscarrying and it was neg. We have had sex for the last 2 weeks. I was curious today and took two preg tests to see if they would be neg. Well they are positive. My question is how long does hcg take to be down to prepregnancy status and since I tested a week after misscarriage and now 3 weeks later tested and positive what does that mean. Ugh I'm so confused.