Brandon Cochran (4); fetal development project

Timeline created by
  • Last Menstrual Cycle

    Last Menstrual Cycle
    My last period
  • Conception

    “During the next 10 to 30 hours, the sperm's nucleus merges with the egg's and they combine their genetic material. If the sperm carries a Y chromosome, your baby will be a boy. If an X chromosome, you'll be carrying a girl. The fertilized egg is called a zygote”
  • Month 1

    Month 1
    Deep in your uterus, your baby is an embryo made up of two layers, and your primitive placenta is developing. your baby is around 6-7mm (1/4 inch) long - about the size of a grain of rice
  • Month 2

    Month 2
    Your baby is constantly moving, though you can't feel it. Meanwhile, you may be making decisions about prenatal tests. Nearly 1 inch long and weighs less than 1/8 of an ounce.
  • Month 3

    Month 3
    Your baby's facial features continue to develop. The neural tube (brain, spinal cord, and other neural tissue of the central nervous system) is well formed. The digestive tract and sensory organs begin to develop. Bone starts to replace cartilage. The embryo begins to move, although the mother cannot yet feel it. about 2.54cm (1 inch) long, weighs about 9.45g (1/3 ounce), and a third of baby is now made up of its head.
  • Month 4 (Shortly after Beginning of Second Trimester)

    Month 4 (Shortly after Beginning of Second Trimester)
    At the beginning of the second trimester, babies are about 3 1/2 inches long and weigh about 1 1/2 ounces. Tiny, unique fingerprints are now in place, and the heart pumps 25 quarts of blood a day. As the weeks go by, your baby's skeleton starts to harden from rubbery cartilage to bone, and he or she develops the ability to hear. You're likely to feel kicks and flutters soon if you haven't already.
  • Due Date

    Due Date
    “if you happen to know the day you conceived – perhaps you were tracking your ovulation and you know the day your egg must have been fertilized – we can calculate your due date by counting 38 weeks from that date.”