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This is when the baby is conceived. It happens when the sperm penetrates an egg.
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The egg divides into many cells and passes through a tube. The placenta starts to form.
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The baby starts to develop structures and organs like the heart, stomach, lungs, etc.
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The baby continues to develop. The arms and legs are fully formed. And other fetures become more noticeable.
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The baby starts to move. The sex organs will start to become more prominent.
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The babys heart and blood vessels are fully formed and the baby now has fingerprints.
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The baby can now move, stretch, and make faces. An ultrasound is usually done at this time to determine the sex of the baby.
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The baby continues to move and weighs about 1 and a half pound.
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The baby changes position. This is when pre-mature birth takes place.
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The baby weighs about 4 pounds and it starts moving. Most women have to go to the doctor every 2 weeks now.
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The babys brain has developed and the babys lungs are almost fully developed. And the baby has now positioned down into the pelvis.
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Pregnancy can last between 38-42 weeks.