The second week ended at the point that the uterus closed to help protect the developing blastocyst as it translates into an embryo. The blastocyst development moves to another stage where it will now become more recognizable. The baby (blastocyst) cells multiply rapidly starting with those in the inner parts and then on the outer parts so that the blastocyst can now transform into an embryo.
Here, the blastocyst holds onto the placenta cells that help to transfer nutrients from the dense networks of cells and blood veins. At around the middle of the third week (17-18 days), the blastocyst transforms into an elongated embryo. From this point, your baby becomes an embryo with the development of the following parts developing fast. This can be seen in three parts;
Notably, the development becomes more specific and intensive because all the three parts’ cells keep multiplying so that the baby takes a different elongated shape.
Other critical developments in week three include:
While the baby is growing very rapidly, the impacts are more pronounced during this week. Unlike other stages that were characterized by weight gain, you are likely to experience sudden weight drop as pregnancy hormone takes control of everything. Here is what to anticipate;
As the most intensive development period of the first trimester, the third week demands a lot of care so that you do not delay the formation of any baby’s part. Besides, by this time, the signs will paint a picture beyond reasonable doubt that you are indeed pregnant. Therefore, your to-do list may continue growing and include the following;