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The release of the egg

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The union of a single sperm and ovum

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Fertilized ovum (egg)

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Zygote becomes

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Attaches itself to the uterine lining 6-7 days after

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After implantation the hormone HCG increases and can be found in a home pregnancy test

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After 8 wks of development

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Fluid filled sac surrounding embryo

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Forms along lining of the uterus as embryo implants

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Rope-like structure connects embryo to the placenta

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End of 8 wks

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2nd trimester

Gender is usually visible by ultrasound

"Practice" contractions> braxton-Hicks contractions

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3rd trimester

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"Full term"

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Contractions

Cervix dilates

Baby moves down

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Baby is born by natural or c-section

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Separation and expulsion (delivery) of placenta and umbilical cord