First Trimester

Week 3:
The most critical stage
of development for the embryos nervous system. In the third and fourth weeks of pregnancy. A new heart is beating (21 days) with a blood type different than her mothers
Week 4 (1 month):
The brain and the spinal cord
begin to form. Structures called somites form the vertebral column, or backbone. They also help form the ribs, 40 pairs of muscles are developed along the trunk of the new life (28 days), arms and legs forming. The stomach and intestines are forming. Bone tissue is growing. The eyes and ears are just beginning to form. The weight is less than one ounce. The length is less than 1/8 inch.
Week 5:
Eyes, legs, and hands begin
to develop, electrical brain wave patterns can be recorded. This is usually ample evidence that "thinking" is taking place in the brain. The new life may be thought of as a thinking person.
Week 6:
Fully-formed brain and
spinal cord, fingers are forming, heart is already pumping blood and beats 80 times a minute, and she is 1/8 of an inch long,
Week 7:
Eyelids and toes are formed
baby is kicking and swimming, tiny nostrils are visible.
Week 8 (2 months):
Every organ is in place,
fingerprints that no one else has ever had or ever will have are forming, the unborn child reacts to touch. Taste buds are forming on her tongue and tooth buds are taking shape, ears and eyes can be seen, about the size of a kidney bean.
Week 9:
Hiccups, baby has grown
a quarter of an inch in just a week and her teeny tiny toes are now visible.
Week 10:
Teeth are forming, fingernails
are developing, the baby can frown, the baby’s eyelids close to protect the wonderfully complex eyes while they form, each minute the baby’s brain develops 250,000 new neurons and she can now move her muscles.
Week 11:
The baby can grasp an
object in her hand, smile, suck her thumb (which is when she decides on right or left hand). Your baby moves 50 times an hour, the baby is two inches long, she has reached the end of the embryonic stage and is now known as a "fetus", Latin for "young one", her kidneys are developing and produce urine for the first time.
Week 12 (3 months):
She feels vibration,
REM sleep and dreams, develops reflexes, her toes curl, her eye muscles clench, if you prod your abdomen, your baby will squirm in response, although you won't be able to feel it yet, her intestines, which have grown so fast that they protrude into the umbilical cord, will start to move into her abdominal cavity about now, she weighs half an ounce.

Say Cheese Please!

Development and Growth

At fertilization (when the male sperm enters the female egg), the unborn child has his or her own unique set of DNA material — or genes — half from the mother and half from the father. The DNA is the blueprint for growth and development of all cells throughout life. DNA determines all of the baby’s physical characteristics such as gender; the shape of the nose and ears; and the color of the hair, eyes, and skin. Before implantation the sex of the new life can be determined. At implantation, the new life is composed of hundreds of cells and has developed a protective hormone to prevent the mother's body from rejecting it as a foreign tissue.

In the first five days of his existence, the tiniest of human beings has the capacity to heal himself of genetic abnormalities .( Professor William G. Kearns told the annual meeting of the European Society of Human Reproduction and Embryology)

During the first 8 weeks, the unborn child is known as an embryo. After that time the unborn child is known as a fetus. It is during the first ten weeks of pregnancy that the unborn child is most likely to be affected by things like:

alcohol.
nicotine in cigarettes or other tobacco products.
some prescription medicines or over-the-counter drugs.
illegal drugs (like heroin, cocaine, or marijuana).
viruses (like German measles).
x rays, radiation therapy, or accidental exposure to radiation.
vitamin deficiencies (such as folic acid).



Here starts the progress of your baby. I hope you enjoy the journey and that it brings you understanding.



7 week old baby's legs. legs7wks
At this stage they kick, swim and turn somersaults and mama doesn't even feel it.

7 week old baby's hands.
hands7wks She can wiggle and move her little hands and fingers.

10 week feet
8 week old baby
















She will react to pokes and prods now. You may not feel it but she will enjoy the play time. I'm sure you've seen people wear the little feet pins on their shirts. They are an exact replica of a 10 week old baby's foot shape and size.

10 week Illustration
10 week drawing This shows where everything is.


11 weeks old
sucking thumb
















This baby is actually older but I wanted to show you that this is the week that she starts sucking her thumb. So adorable!

12 week old's hand
12 week old's hand Soon she'll be grasping. She is practicing moving her fingers now.





                         1st Trimester         |          2nd Trimester         |          3rd Trimester

First Days

Day one:
the sperm fertilizes the egg in the fallopian tube; forty-six chromosomes combine, predetermining all of the persons characteristics.

Day 14:
The embryo looks like a little disc. The first part of the nervous system that forms is an indentation called the neural groove. Over the next 7 days, the groove deepens as the cells around it forms ridges called neural folds, Eyes begin to develop 14 days from conception.

Day 17:
The new life has developed its own blood cells; the placenta is a part of the new life and not of the mother.

Day 18:
Occasional pulsations of a muscle - this will be the heart.

Day 21:
The foundation of the entire nervous system has been laid down. A new heart is beating.

Day 43:
Brain coordinates movement.

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