Most women feel symptoms after embryo implantation, caused mainly by the hormonal imbalance inherent in the beginning of pregnancy. The hormone responsible for most of these symptoms is beta-hCG.
The most common symptoms are nausea, vomiting, heaviness, tiredness and slight dizziness. On the other hand, there are women who have a little bleeding due to implantation.
In any case, ultrasound is the main tool for studying embryo-fetal evolution.
Read the full article on: Cygote, Embryo and Fetus: What Are the Differences? ( 107).

Andrea Rodrigo
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.