Madisyn White (Period 4); Fetal Development Timeline

  • Ovulation

    Ovulation
    • Happens 13-15 days before your period. (If the egg doesn’t get fertilized)
    • It takes 6-12 days to get to the uterus.
    • If an egg gets fertilized, it takes 12-13 days to get implanted for pregnancy to occur.
    • Ovulation normally lasts a day once a month.
    https://helloclue.com/articles/cycle-a-z/ovulation-101-what-is-it-how-does-it-work)
    (For this project I will start on the 1st of January and continue until the Trimester)
  • Conception

    Conception
    •Happens on the first day of a woman’s menstrual cycle.
    •sperm cell goes into vagina and uterus to get with an egg.
    •goes to the uterus, a blastocyst is formed.
    •A blastocyst gets attached to the uterine lining-forms a baby.
    •A woman will know she is pregnant if her hormones send signals to keep the uterine lining.
    https://my.clevelandclinic.org/health/articles/11585-pregnancy-ovulation-conception--getting-pregnant
  • Month 1

    Month 1
    • The embryo has two layers now and will continue to grow organs for the next 6 weeks. The baby would be about the size of a poppyseed. The length in the baby is about .01 inches long and weighs .04 ounces.
  • Month 2

    Month 2
    The respiratory system starts forming. Breathing tubes start extending from the throat and lungs. The length of the baby would be about 3/4 inches and the weight would be about 04 ounces. The baby is about the size of a kidney bean!
  • Month 3

    Month 3
    This is the end of the first trimester. The baby has all of their fingers and toes! They will also start to grow peach fuzz. The intestines start to combine with the umbilical cord. The baby is about 2 1/4 inches long and weighs about 1/2 an ounce. The baby is about the same size of a lime!
  • Month 4

    Month 4
    The baby will start to double its size. It will also start to grow a scalp pattern. The baby’s heart is pumping around 25 quarts of blood every day, and will continue to pump more and more as it grows. The baby is 4 1/2 inches long and weighs about 3 1/2 ounces. The baby is the size of an avocado.
  • Month 5

    Month 5
    The baby can now send signals to the brain and have taste buds. The baby is 10 inches long and weighs 10 1/2 ounces. The baby is the size of a banana. (The baby didn’t grow over 5 inches in a month, they measure the baby differently now)
  • Month 6

    Month 6
    This is the end of the second trimester. The baby has grown eye brows now and the baby is preparing to breathe. The respiratory sacs are growing and multiplying. The skin is still see-through, but soon it won’t be anymore. The baby is 11 3/4 inches long and weighs 1 1/4 pound. The baby is about the size of an ear of corn.
  • Month 7

    Month 7
    This is the third trimester. The baby’s brain is growing rapidly. The baby can now hear, smell, and touch. Myelin also begins to form. The baby is 14 3/4 inches in length and weighs 2 1/4 pounds. The baby is the size of a large eggplant.
  • Month 8

    Month 8
    The baby can now focus on large, close items. The baby also has hair, toenails, and fingernails. During this month, the baby will grow a lot in weight. The baby is 16 3/4 inches in length and weighs 3 3/4 pounds. The baby is the size of a jicama (Mexican turnip).
  • Month 9

    Month 9
    The baby should be almost ready to come out. The baby is shedding lanugo and the vernix caseosa (waxy substance) that protects its skin. After the baby swallows it, the first bowel movements occur. The baby is 18 3/4 inches long and weighs 5 3/4 pounds. The baby is the size of a romaine lettuce.
  • Delivery!

    Delivery!
    This is the end of the nine months and the baby should be ready to come out. The baby’s skin color will be a reddish- pink color since blood vessels are still visible. The baby’s hands and feet will also be a bluish color since the blood circulation is still maturing. The baby is 20 1/4 inches long and weighs 7 3/4 pounds. The baby is the size of a pumpkin. (I used https://www.babycenter.com/pregnancy/week-by-week for the sources of all the information I provided)