Ранна бременност: Какво се случва през първите седмици
Early pregnancy: migration, division, implantation The fertilization of an egg takes place in the fallopian tube. The fertilized egg (zygote) then migrates to the uterus in four to five days in order to implant in its mucous membrane for further development. The zygote already begins to divide on this journey. After implantation in the uterine … Ранна бременност: Какво се случва през първите седмици
