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20 май 2000 г. - First Trimester First 3 months Physical milestones

Описание:

-Beginning development of spinal cord, nervous system, gastrointestinal system, heart, and lungs- This is a physical milestone. (4 weeks)
-Fetal heartbeat- Physical milestone (8 weeks)

Добавлено на ленту времени:

Developmental timeline

ByMarcela Zapata
22 окт 2018
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Дата:

20 май 2000 г.
Сейчас
~ 25 г назад
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