PregnancyTracker
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PregnancyTracker

Track your pregnancy week by week, calculate due dates, ovulation, and more. Evidence-based tools and resources for every stage of your journey.

Calculators

  • Due Date Calculator
  • Pregnancy Week Calculator
  • Ovulation Calculator
  • Conception Calculator

Resources

  • Week by Week
  • First Trimester
  • Pregnancy Symptoms
  • Nutrition Guide

Medical Disclaimer

This website provides general information and is not a substitute for professional medical advice. Always consult your healthcare provider for medical decisions.

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    First Trimester

    Week 12

    End of First Trimester

    ProgressWeek 12 of 40
    Size
    Lime
    Length
    2.1 in
    Weight
    0.49 oz

    Baby's Development

    Baby's reflexes are developing. Fingers and toes are no longer webbed. The kidneys are producing urine. The risk of miscarriage drops significantly.

    Wellness Tips

    • Schedule your first trimester screening
    • Start researching childbirth classes
    • Consider telling your employer

    Common Symptoms

    Bloating
    Visible veins
    Changes in skin pigmentation
    Reduced nausea for some

    Medical Disclaimer

    Every pregnancy is unique. The information provided is for educational purposes and should not replace professional medical advice. Always consult your healthcare provider with any concerns.