Exam (elaborations)
Maternal Midterm Exam Study Guide
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Preembryonic stage - Fertilized ovum becomes morula, then blastocyst, amnion, and germ layers form (conception - 2 weeks) Embryonic stage - Implantation, neural tube fuses, heartbeat week 3, limb buds form, respiratory and digestive tracts begin to form (2-8 weeks) Fetal stage - Weeks 9-38, mov...
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