Week 16 of Pregnancy

    Second trimester

    Week 15Week 17

    Baby is

    about the size of an avocado

    4.5 inches · 2.5 oz

    Baby this week

    • Facial muscles are developing, allowing for expressions like frowning and squinting
    • Ears are now in their final position on the sides of the head
    • Baby can hear sounds, including your voice and heartbeat
    • Limbs are becoming more coordinated and baby may be moving around more noticeably

    You this week

    • Quickening—those first flutters of baby movement you might feel
    • Continued breast tenderness and growth
    • Lower back discomfort as your center of gravity shifts
    • Occasional dizziness or lightheadedness
    • Increased appetite as energy demands grow

    This week's tips

    • Pay attention to movement patterns—you may start feeling baby kicks this week or next, especially if this isn't your first pregnancy
    • Support your back with good posture and consider a pregnancy pillow for sleeping
    • Stay hydrated and eat nutrient-dense snacks to keep energy steady throughout the day
    • If you haven't already, schedule your anatomy ultrasound (typically done between weeks 18-20)

    Looking ahead

    As you head into week 17, you're entering a phase where pregnancy often feels most comfortable. Your energy may improve, and baby's movements will become clearer and more regular.

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