3 St. 28 Min, 25 Nov 2002 Jahr - Second Trimester Begins
Beschreibung:
Week 13 marks the beginning of the second trimester. When the second trimester begins the placenta is already fully developed. During this trimester the placenta grows to suit the growing fetus.Zugefügt zum Band der Zeit:
Datum:
3 St. 28 Min, 25 Nov 2002 Jahr
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~ 22 years ago