1dpt... Embryo is growing and developing
2dpt... Embryo is growing and developing
3dpt... Embryo is now a blastocyst 
4dpt... Blastocyst hatches out of shell on this day 
5dpt... Blastocyst attaches to a site on the uterine lining 
6dpt... Implantation begins,as the blastocyst begins to bury in the lining 
7dpt... Implantation process continues and morula buries deeper in the lining 
8dpt... Morula is completely implanted in the lining and has placenta cells & foetal cells 
9dpt... Placenta cells begin to secret HCG in the blood 
10dpt... More HCG is produced as foetus develops 
11dpt... More HCG is produced as foetus develops 
12dpt... HCG levels are now high enough to be immediately detected on HPT