Supposing that the embryo continued to develop and that pregnancy occurred as expected, this is what one should expect from Day Post Transfer (DPT) 1 to 11 approximately:
- The embryo turns from a 6-8 cell embryo to a morula
- The cells of the morula continue dividing: the embryo reaches the blastocyst stage
- Once a blastocyst, the embryo starts to hatch out of its "shell"
- It begins to attach itself to the uterus
- The implantation process continues: the embryo attaches deeper into the uterus
- The implantation process continues
- The embryo implantation process finishes and the cells that will form both the placenta and the fetus begin to develop
- The production of hCG starts, and it begins to enter the bloodstream
- Fetal development begins and hCG levels continue doubling
- Fetal development continues and hCG levels continue increasing
- hCG levels start now to be high enough to be detectable by pregnancy tests
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