At 4 weeks, no body changes are still visible. Your baby is now well attached to your endometrial lining and has become an embryo, which looks like a tadpole (it is the size of a sesame seed). The fourth week marks the beginning of the pregnancy. You may start noticing certain pregnancy symptoms at this point.
Read the full article on: The first month of pregnancy: initial symptoms and maternal care ( 73).
Zaira Salvador
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Technical University of Valencia (UPV). Biotechnology Degree from the National University of Ireland en Galway (NUIG) and embryologist specializing in Assisted Reproduction, with a Master's Degree in Biotechnology of Human Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI)
License: 3185-CV
