We had our transfer yesterday. We did 1 fresh 5 day embryo. The lab was very happy with it, so we're feeling pretty good. Then today, about 24 hours after the transfer I had some pretty intense cramping and pain. I seem ok now, but it stressed me out a bit. Any thoughts? Is that way too early for implantation cramps? The embryo was hatching when they transferred, so maybe? Here it is: