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Mom releases egg from ovary

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The union of a single sperm and ovum

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A fertilized ovum

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A ball of cells with a cavity in the center

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The blastocyst attaches itself to and becomes embedded in the uterine lining

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HCG hormone is released when you become pregnant

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Structure that forms along the lining of the uterus

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Rope like structure that connects to the embryo and to the mother's placenta

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Fluid filled sac that surrounds the embryo

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Developing baby from the end of the eighth week after fertilization until birth.

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4-6 months

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through ultrasound

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7-9 months

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practice contractions

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37 weeks

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process by which contractions gradually push the baby out of the uterus and into the vagina to be born

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cervix is dilated, the contractions push the baby's head through the cervix and into the vagina.

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contractions separate the placenta from the uterine and expel it from the uterus and out of the body through the vagina.