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Pregnancy week by week › Week 19

Week 19 of your pregnancy

Your baby is about the size of a beef tomato

Adult teeth are forming behind the milk teeth, and baby is putting on weight.

You this week

The hormone relaxin loosens ligaments, which can affect your back, knees and ankles. Tiredness and stretch marks are common.

Tips for this week

  • Do your pelvic floor exercises
  • Explore antenatal classes
  • Keep 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.