A warm, softly lit photo of an expectant mother in early pregnancy gently holding her still-small belly beside a window at home, calm and hopeful mood
Pregnancy Week by Week

First Trimester Week by Week: What Happens in Weeks 1 to 13

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Follow your first trimester week by week, from weeks 1 to 13: how your baby grows, how your body changes, and the symptoms and scans to expect early on.