• Health

What can you expect in your first trimester?

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Pregnant mom with hands forming a heart

As your baby begins to develop, you will notice some (big!) changes. Here’s what to expect in the first trimester of pregnancy:  

YOUR BODY: 

  • Your menstrual periods will have stopped and you may have morning sickness at any time during the day or night. 

  • You may gain 3-5 pounds by the end of the first trimester. 

  • Your breasts may be tender or swollen. 

  • You may urinate more often. 

  • You may be more tired and have less energy, feel more emotional, have mood swings and cry easily. 

  • Bleeding gums, nosebleeds and stuffiness are common during this time. 

  • Prenatal vitamins will give your body key nutrients and help reduce the risk of your baby being born underweight. 

  • You should see your doctor once a month. 

YOUR BABY: 

  • Your baby’s traits and gender are set when the sperm meets the egg. 

  • Your baby will grow from the size of a seed to about two inches long. 

  • The brain, nerves, heart, lungs and bones are forming. 

  • You may hear your baby’s heartbeat as early as six weeks. 

  • Ears, arms, hands, fingers, legs, feet and toes start to form by the third month.

  • SOURCE:
    Healthy Mothers Healthy Babies Coalition of Palm Beach County

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Related resources

    • Health
    • Other
    • Parenting

    Healthy Mothers, Healthy Babies Coalition of Palm Beach County

    A safety net of local services and support for pregnant women and families with infants, focusing on racial disparities in birth outcomes

    561-623-2800 Website
    • Health
    • Other
    • Parenting

    Florida Department of Health – Palm Beach County

    WIC — Special Supplemental Nutrition Program for eligible pregnant, breastfeeding and postpartum women, infants and children up to age 5 (For the Breastfeeding Warmline, call 561-398-0351)

    561-357-6007 Website
    • Behavior
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    • Parenting

    Children's Services Council of Palm Beach County

    Healthy Start Healthy Beginnings, a network of local intervention and prevention services for pregnant women and families raising young children

    1-888-634-7900 Website