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None
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-Conception
-Rapid cell division
-zygote turns into blastocyst and travels down the Fallopian tube -
- Baby is 1/6 inches long
- Arm and leg limb buds appear
- heart, organs, and bones start to form
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- All major organs are formed
- Baby is about 1/2 inches long -Lungs begin to form
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-Baby is 1 1/4 inches long
- eyes, ears, and legs are identifiable
- All body parts are present -
- Baby is about 2 inches in length and weighs about 1/3 more
- Teeth buds form
- Head is about half of the length of body
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-Fingernails grow
- Face has more defined profile
- About 2 1/2 inches in length and weighs about 1/2 ounce -
-Babys sex will become apparent
- Baby can swallow and make urine
- Baby is about 3 1/2 inches in length and weighs about 1 1/2 ounces -
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- Baby is moving but mom cannot feel it
- Baby is about 4 1/2 inches in height -Baby weighs about 4 ounces
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- Baby begins to hear
- digestive system works -vertex caseosa covers the body
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Regular sleep and wake problems
- all organs and structures formed
-Baby digestive system starts to produce a greenish black,sticky substance called meconium -
- lowest limit of viability
- Has nails, fingernails, eyebrows, lashes, and possible some hair
- heartbeat heard with a stethoscope
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- lung development
- regular sleep and wake patterns
- Baby is about 8 inches in length and weighs about 1 1/3 pounds
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-Eyes begin to appear
- lungs are capable of breathing
-body begins to kick and stretch -
- finished most major development
- rapid weight gain begins
- baby is about 11 inches in length and 3 1/4 pounds
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- continues to grow fingernails and toenails
- develop breathing motion
- skin is pink and smooth
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- starts to turn head down -takes up most of the amniotic sac -baby is about 13 1/2 inches in length
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- brain, lungs, and liver still developing -baby is considering full term -weight gain helps with temperature control once birth
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