I had a chemical pg back in June. I was told that my little one did
in fact implant...
I could be wrong about this but I think that is the only way that your body starts making the HCG hormone, otherwise, you could start testing soon after conception if it happened when the egg meets the sperm. As far as I know, there are no tests out there that test that early. It's always about a week later at the earliest because that's about when it implants.
Anyway, my level was only a 9.5 at 14dp ER and at 16days, it was negative. 3 or 4 days later, I was off progesterone and got AF. I wouldn't consider a beta less than 50 a chemical pregnancy because I only got a 28 at 14 days past 2nd ER and I'm now 10 weeks. Usually, a chemical involves a very low beta but the gaurantee of a chemical is when the beta never increases or doubles and actually decreases. Since it is so soon, they don't really call this a miscarraige.
Also, most women never know they have ever had a chemical pregnancy. Any time your period is late, you could have had a possible pregnancy that didn't take. In the infertility world, we find out because we test so early. Other women may never even knew they were pg, and get their periods late with or without taking a test (and usually these tests come out negative because the HCG is usually low.)
On another note about implanting...my RE confirmed that with my chemical, it was a good sign that at least I know I can get pg, meaning, at least I know that my body is capable of an embryo implanting. When the HCG decreases, then something is not right and it will then be released and fail to stay
On the bright side of chemicals, they say you're body's more prone to getting pg soon afer. And I, like specialscorp, did get pg in my next cycle.
On a totally different note, if you are feeling cramping, then that's probably a good sign.
Every woman I've talked to about feeling a cramp similar to AF cramps but more like "pulling" did in fact get pg. I don't think you can actually "feel" your body implanting an embryo though. However, I got those cramps too and my acupuncturist told me that it is my body getting ready for pregnancy.