Movie TheaterBreathing Motions |
| Buy NowFrom The Biology of Prenatal Development. |
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Script: Although there is no air in the uterus, the embryo displays intermittent breathing motions by 8 weeks. |
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All ages referenced to fertilization, not last menstrual period.
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Breathing Motions
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4D Ultrasound
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Fetal Period Begins
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Motion and Sensation
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Live Long and Prosper
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4D Ultrasound
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