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  2. Pregnancy and birth
  3. Pregnancy stages and baby development

Back to Pregnancy stages and baby development

Stages of pregnancy

Your pregnancy week-by-week, how your body will change and what to expect during each trimester

First trimester

  1. What to expect in the first trimester
  2. Due date calculator
  3. 0 to 8 weeks pregnant
  4. 9 to 12 weeks pregnant
  5. 13 to 16 weeks pregnant

Second trimester

  1. What to expect in the second trimester
  2. 17 to 20 weeks pregnant
  3. 21 to 24 weeks pregnant
  4. 25 to 28 weeks pregnant

Third trimester

  1. What to expect in the third trimester
  2. 29 to 32 weeks pregnant
  3. 33 to 36 weeks pregnant
  4. 37 to 40 weeks pregnant
  5. Thinking about the type of parent you want to be

Body changes

  1. Breast changes

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