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The Pregnancy Hub

7 weeks pregnant

Get to know your growing baby and the changes you may be feeling.

Choose your week

Week 7

Know your due date?

Enter the due date from your care team to find your estimated week today. Your date stays in this browser tab.

Illustration of a grape

First trimester

About the size of

a grape

Approximate length

0.4 in / 1 cm Head to bottom

Your baby

The brain is growing rapidly, giving the head a prominent shape. Eyelids are beginning to form, and the arm buds are lengthening toward the future hands. Cartilage is developing as a foundation for the arms and legs. These early changes happen before you can feel your baby move, so movement is not something to expect or track at this stage.

Your body

You may feel tired even after a normal night's sleep. Nausea, interrupted sleep and the demands of everyday life can add to that feeling. If possible, build short rest breaks into your day and move demanding tasks to the times when you feel better. Having few symptoms does not tell you whether a pregnancy is healthy, and fatigue alone cannot answer that question either.

This week

Making room for rest

Choose one practical way to lighten the week: ask someone to handle a chore, prepare a simple meal or help with childcare. Bring up exhaustion that is persistent, worsening or interfering with your usual activities. Your care team can consider sleep, food intake, mood and whether another cause needs attention. Keep a list of your questions about work, exercise and rest so the advice fits your circumstances. Sudden overwhelming weakness or fatigue with other concerning symptoms needs prompt assessment rather than waiting for a routine visit.

Explore prenatal care

Looking ahead

A question for your next visit

How can I manage this tiredness, and should we check for another cause?

Browse pregnancy weeks

A little context for these comparisons

These are approximate sizes for each week, not measurements of your baby. Babies and produce both come in different sizes, and the illustrations are not shown to scale.

Before week 20, length is measured from head to bottom. From week 20, it includes the legs, from head to heel. That change explains the jump in length between weeks 19 and 20.

When to get help

Seek medical care right away for warning signs such as a severe or persistent headache, vision changes, chest pain, trouble breathing, severe belly pain, vaginal bleeding, leaking fluid, or thoughts of harming yourself or your baby. These are examples, not a complete list. If you cannot reach your care team, seek urgent medical care. Call 911 for a medical emergency.

Read the CDC urgent maternal warning signs (opens in a new tab)
About this guide

Approximate measurements and development information draw on the NHS weekly guides. Linked US health resources support care and preparation topics. The topics are suggestions for discussion, not a schedule of required appointments or tests. Your own care plan may differ.

Every pregnancy is different. Your care team can help you understand your baby’s growth and any symptoms you’re experiencing.