this is what happens in a 5 day transfer :
-1day pt ..embryo is growing and developing
0 day pt... Embryo is now a blastocyst - (embryo transfer day)
1day pt....Blastocyst hatches out of shell on this day
2day pt.. Blastocyst attaches to a site on the uterine lining
3day pt.. Implantation begins,as the blastocyst begins to bury in the lining
4day pt.. Implantation process continues and morula buries deeper in the lining
5day pt.. Morula is completely inmplanted in the lining and has placenta cells &
fetal cells
6day pt...Placenta cells begin to secret HCG in the blood
7day pt...More HCG is produced as fetus develops
8day pt...More HCG is produced as fetus develops
9day pt...HCG levels are now high enough to be immediately detected on
HPT
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