A human pregnancy has three trimesters:
- First Trimester (0 to 13 Weeks)
- Second Trimester (14 to 26 Weeks)
- Third Trimester (27 to 40 Weeks)
Also Refer:
- How Does The Placenta Form During Pregnancy?
- Where Is Placenta Located During Pregnancy?
- What Happen If Placenta Is Not Formed During Pregnancy?
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