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Prenatal Development

By Anna Andraza
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    Weeks 1-2

    • The mother is not actually pregnant during these "first weeks".
    • The Ob-gyn counts pregnancy as 40 weeks from the start of the last menstrual cycle.
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    Weeks 3-4

    • Possible missed period.
    • Cramping.
    • The other may find out that she's pregnant by the end of the 4th week, or it could be later.
    • Pregnancy test measure HCG hormone levels.
  • Weeks 5-6

    Weeks 5-6

    Missed period.
    - Breasts become tender.
    More frequent urination due to the uterus pushing on bladder.
    - Mood swings.
    - Morning sickness.
    - Constipation.
    - Heartburn, indiegestion, and gas.
    - Extremely tired.
    - Increase heartrate due to increased cardiac volume.
    - Bloating.
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    Weeks 7-8

    • Same as weeks 7-8
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    Week 10

    • Symptoms from weeks 5-8 continue.
    • Breasts may feel fuller.
    • Pregnancy acne.
    • Between 12 and 14 weeks, the mother will begin to hear baby's heartbeat with a doppler ultrasound.
    • Little weight gained on the mohter (2 to 4 pounds).
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    Week 11

    • Same as week 10
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    Week 12

    • Same as weeks 10 and 11.
  • Week 14

    Week 14

    • Morning sickness should start to go away.
    • Appetite increases.
    • Abdomen growns slowly.
      • Dark spots on skin may form.
    • Sensitive gums.
    • Loose ligaments
    • Clumsiness.
    • Stuffy nose.
    • Leg cramps.
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    Week 16

    • Same as week 14.
  • Weeks 18 to 19

    Weeks 18 to 19

    • Englarged abdomen may become apparent.
    • Backaches.
    • Stretch marks may appear.
    • Heartburn. -Swelling in hands and feet.
    • Trouble sleeping.
    • The mother might begin to feel the baby moving (quickening).
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    Weeks 20 to 21

    • Same as week 18 to 19.
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    Week 22

    • Hip, groin, and abdomen pain.
    • Shortness of breath.
    • Fast growing hair and nails.
    • Belly button may poke out.
  • Week 24

    Week 24

    • Fetsl movements sensed aas strong kicks, bumps-some may be visible to others.
    • Carpal tunnel syndrom may flair.
    • Difficulty sleeping.
    • Weight gained by this time may total between 10 and 12 pounds.
  • Weeks 28 to 29

    Weeks 28 to 29

    • Increased abdomen may affect posture.
    • Breasts may leak.
    • Growing stretch marks.
  • Weeks 31 to 32

    Weeks 31 to 32

    • Back aches and fatigue.
    • Leg cramps.
    • Shortness of breath.
    • Fetal kicks interrupt rest.
    • Braxton- Hicks contractions.
    • Pelvic pain. At the end of week 31 weight gain is about 18 to 20 pounds.
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    Week 34

    • Same as weeks 31 to 32.
  • Weeks 36 to 37

    Weeks 36 to 37

    • Still feels stretches and movements of the baby.
    • Lightning felt- decreased pressure on lungs and organs.
    • Insomnia.
    • Braxton-Hicks Contractions.
    • Total weight gain of 25 to 35 pounds.
  • Weeks 38 to 40

    Weeks 38 to 40

    • Same as weeks 36 to 37.