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There is no embryo. Just an egg and sperm swiming around the womans uterus
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Estrogen is being produced
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Baby is concieved
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blastocyst that will be your baby splits to form the placenta and the embryo and the specialized parts of your baby's body begin to develop
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Heart and circulatory system of the baby are developing
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The Baby's face is taking shape
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Mother has tingly, achy breasts
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Baby starts moving in the womb, mother has morning sickness
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The baby is building muscle
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Baby is building bones and cartilage. Mother has constipation
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Baby is starting to look human
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The baby is the size of a large plum, it has doubled in size in the past few weeks
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The babys vocal cords are devloping, the first trimester is ending