Bump Diary

Pregnancy week by week › Week 5

Week 5 of your pregnancy

Your baby is about the size of a sesame seed

The brain, spinal cord and heart are developing fast, and blood vessels are starting to form.

You this week

Hormone changes can bring cravings, tiredness, tender breasts, nausea, mood swings and darker patches of skin.

Tips for this week

  • Book your first appointment with a midwife
  • Keep taking folic acid until week 12
  • Stay active: 150 minutes a week

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Summarised from the NHS website. Every pregnancy is different: this is general information, not medical advice. If you're worried about yourself or your baby, contact your midwife or maternity unit. In an emergency, call 999.