I had I believe 2 chemical pregnancies. Body was changing, faint lines. Went to dr got blood drawn one time it was a 3 - shortly after I got my period. 2nd time it was a 5 - body definitely changed & fine lines on tests were the darkest I've ever seen the faint lines. I've gotten conflicting information that anything above a 2 is pregnant. While others say 5/6 & or above. Did I have two chemicals? What can I do to ensure it doesn't happen....