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FIRST TRIMESTER week 1-2
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weeks 3-4
conception happens, the zygote turns into blastocyst and travels down the fallopian tube. Rapid cell division begins. Blastocyst implants in uterus lining during week 4 and becomes embryo. -
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weeks 5-6
Neutral tube closes:brain forms. Heart, organs, and bones form. (heart beats normally). Develop head and trunk, arm and legs limbs buds appear. Brain develops along with eyes and ears.Baby is 1-6 inches long. -
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weeks 7-8
The babys brain and face shape begins to form, All major organs have formed. four chamber heart, lungs, fingers and toes, ears, lips, nose start to form. Neck straighten, baby is just about 1/2 an inch. -
week 10
Baby head is half the size of the baby. Body parts are present. Eyes, ears, arms, and legs are identifiable. Baby is 1 1/4 inches long -
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week 11`
The babys genitals develop, head is about half the length of baby. Babys teeth buds form. Baby is about 2 inches in length 1/3 ounce -
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week 12
Finger nail growth, Baby face has a more definded profile. Intestine are in the adobomen. About 2 1/2 inch in lnegth, weighs about 1/2 a pound. -
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2nd TRIMESTER
The babys sex will become apparent. Baby can swollow and make urine. It is about 3 1/2 inches and weighs 1/2 ounce -
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week 16
Baby is moving but mom cant feel it, baby is about 41/2 inches in length and wighs abouts 4 ounces. -
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week 18-19
Baby is begining to hear. There digestive system works. Verix caseosa covers the baby. -
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week 20-21
Baby now has regular sleep and make pattern, All organs have formed and breathing movemnt occurs. Covered in languo. Baby may begin to suck thumb and it is about 1/5 inches and weighs 11 ounces. -
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week 22
Baby has hair, fingerprints, eyebrows, lashes and nails. The baby is becoming more active. Heart beat can be heard with stethescope. Baby is about 71/2 inches and weighs about a pound. -
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week 24
Baby has wrinkled skin, Lungs has developed. Regular sleep and wake schedule. Baby is about 8 inches and weighs 1 1/3 pounds -
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3rd TRIMESTER week 28-29
Eyes begin to open and clos, Central nervous system directs breathing. Body temp changed, lungs breath air. Baby is kicking. baby is 10 inches and weighs about 2 1/4 pounds -
weeks 31-32
Finished all major development, rapid weight gain happens. Languo starts to fall off. Baby is 11 inches and weighs 3 3/4 pounds. -
week 34
Baby continues to grow nails, develop breathing motions, responds to light. Skin is pink and smooth. Baby is about 12 inches and weighs about 4 1/2 pounds. -
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weeks 36-37
Takes up aniomic fluid, starts to turn head down. Baby is about 13 1/2 inches, weighs about 6 pounds and continue to gain 1/2. -
weeks 38-40
Brain, lungs, and livers fully developed. Brain will double in size. Lung development helps fever. 39 baby is full term. weight gain help temp.