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Blood Cells and Bone Marrow

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Script: له 15 هه‌فته‌دا، موولووله‌كانی خوێن سه‌رهه‌ڵده‌ده‌ن و له مۆخی ئێسکدا زۆرده‌بن. زۆربه‌ی خانه‌كانی خوێن پێكدێن.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.

Gender Differences

Tooth Development Begins

Blood Cells and Bone Marrow

4D Ultrasound