Prenatal Development Timeline

By jazzy.cabrera13
  • Period: to

    Start of Zygote

    First 2 weeks of pregnancy, size of a pinhead.
  • Period: to

    First Trimester

    week 1 to week 12
  • Period: to

    Start of Embryo

    3rd to 8th week of pregnancy, about 1 in long
  • Period: to

    Period of Fetus

    9th week until birth, full grown baby 7-8 pounds
  • Period: to

    Second Trimester

    Week 13 to week 27

  • Sex Detection date

    day found out of sex of baby

  • Viable birth week

    viable birth week good chance with surival
  • Period: to

    Third Trimester

    Week 28 to birth

  • Full term pregnancy

    Time to POP!!