Fetal Timeline

By Abby D

  • Ovulation

    Ovulation
    Egg is released and ready for fertilization

  • Conception

    Conception
    Egg is successfully fertilized by the sperm

  • 1st Month

    1st Month
    Placenta develops, face and throat starts to develop, and blood cells begin taking shape. 1/4 inch long 1/30 ounce

  • 2nd Month

    2nd Month
    Ears start to form, central nervous system starts to form, and bone begins to form. 1 inch long 1/3 of an ounce

  • 3rd Month

    3rd Month
    Trimester-has hands, arms fingers, feet, and toes, reproductive organs are developing, and teeth are forming 3-4 inches long 1 ounce

  • 4th Month

    4th Month
    Heartbeat is audible, eyelids, eyelashes, eyebrows, nails, and hair are formed, reproductive organs and genitals are fully developed, and nervous system is starting to function 6 inches long 4 ounces

  • 5th Month

    5th Month
    Muscles are developing and skin is beginning to develop 10 inches long 1/2 a pound to 1 pound

  • 6th Month

    6th Month
    2nd Trimester-finger and to prints have developed and baby responds to sounds 12 inches long 2 pounds

  • 7th Month

    7th Month
    Hearing is fully developed, can respond to stimuli, and amniotic fluid begins to dissolve 14 inches long 2 to 4 pounds

  • 8th Month

    8th Month
    Brain is rapidly developing, can see and hear, and most internal systems are developed except the lungs 18 inches long 5 pounds

  • 9th Month

    9th Month
    3rd Trimester-Lungs are almost fully developed, can blink and turn his/her head, and responds to lights and sounds 18 to 20 inches 7 pounds

  • Birth

    Birth
    Baby enters the wold by natural birth or by c-section 5-8 pounds 19-21 inches long