Respuesta :

hoya42
Missed period I believe

Answer: Fertilization

The stages of pregnacy are:

  • Fertilization
  • 1-week conceptus
  • 2-week conceptus
  • 3-week embryo
  • 4-week embryo
  • 5-week embryo
  • 6-week embryo
  • 7-week embryo
  • 8-week embryo
  • 9-week fetus
  • 12 week fetus