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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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20 jan 2018 ano - Durante los primeros días de su desarrollo, el embrión se nutre de las reservas del óvulo. Pero estas reservas se agotan pronto. Por eso, en el útero, se formaun órgano nuevo para alimentar al embrión: la placenta.
Adicionado na linha do tempo:
Embarazo
By
Erick García
8 out 2018
0
0
460
Data:
20 jan 2018 ano
Agora
~ 7 years and 9 months ago
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